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AnthropicOpenAILLM matchup

Claude Sonnet 5.5vs.GPT-5.6 Luna

Which one is better?

Claude Sonnet 5.5 performs better than GPT-5.6 Luna, but costs 10 times (input) and 8.3 times (output) as much.

Sonnet 5.5 ahead
IntelligenceOverall index, 100 points = average
121.9

Claude Sonnet 5.5

Rank 5

93.8

GPT-5.6 Luna

Rank 44

GPT-5.6 Luna faster
SpeedTokens per second
103

Claude Sonnet 5.5

123

GPT-5.6 Luna

GPT-5.6 Luna cheaper
Price$ per 1M tokens
$4

Claude Sonnet 5.5

$0.45

GPT-5.6 Luna

about as popular
Popularity0 to 100
79

Claude Sonnet 5.5

Rank 21 of 478

83

GPT-5.6 Luna

Rank 12 of 478

Above 272,000 tokens of context, GPT-5.6 Luna costs more: $0.40 input and $1.80 output per 1M tokens.

Choose Claude Sonnet 5.5 for

KnowledgeMathematicsGeneralHealthCodingProductivityAgentsFinanceMultimodalReasoningLegal

No clear advantage for GPT-5.6 Luna.

Where is the difference?

Strengths at a glance

Sonnet 5.5GPT-5.6 LunaMedian of all ranked models

9511513575CodingSonnet 5.5ReasoningSonnet 5.5MathematicsSonnet 5.5KnowledgeSonnet 5.5AgentsSonnet 5.5GeneralSonnet 5.5MultimodalSonnet 5.5FinanceSonnet 5.5LegalSonnet 5.5HealthSonnet 5.5
CodingSonnet 5.5 ahead
Sonnet 5.5125.2Rank 3
GPT-5.6 Luna96.4Rank 45
Median of ranked models87.5

95 % range: Sonnet 5.5 119.5 to 130.9, GPT-5.6 Luna 86.6 to 106.2.

AreaSonnet 5.5GPT-5.6 Luna

The same values and verdicts as the bars below. In the close-up the net starts at 75 points, just below the weaker model's lowest value; the reference group average is 100.

Sonnet 5.5 is ahead in 10 of 10 areas, GPT-5.6 Luna in none.

Sonnet 5.5 ahead: 10

Areas in the overall index
KnowledgeSonnet 5.5 +43122.8 to 80.3
MathematicsSonnet 5.5 +37131.9 to 95.1
GeneralSonnet 5.5 +35125.0 to 90.1
CodingSonnet 5.5 +29125.2 to 96.4
AgentsSonnet 5.5 +22120.8 to 98.6
MultimodalSonnet 5.5 +20110.7 to 91.2
ReasoningSonnet 5.5 +18118.3 to 99.9
Specialist fields
HealthSonnet 5.5 +30121.9 to 91.5
FinanceSonnet 5.5 +20119.4 to 99.2
LegalSonnet 5.5 +18114.5 to 96.2

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Show 3 more areas that do not count toward the overall index
ProductivitySonnet 5.5 +25116.4 to 91.7
Cybersecuritytoo little data112.7 to 102.2
Educationonly Sonnet 5.5 has a score

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Claude Sonnet 5.5 vs. GPT-5.6 Luna at the same effort

Both models measured at the same reasoning efforts. This shows whether a lead comes from the model or only from more compute.

maxSonnet 5.5 ahead
31.5 points gap across 10 shared test series
Overall index (max vs. max)Sonnet 5.5 ahead
Sonnet 5.5 121.9 vs. GPT-5.6 Luna 93.8

The gap compares only the Artificial Analysis test series in which both models are measured at that effort. Tied below 3 points, ahead only beyond two standard errors.

Which model for which task?

Everyday tasks, translated from the area values above. Each row names the values it rests on.

Writing and debugging codeSonnet 5.5Coding 125.2 to 96.4
Maths and data analysisSonnet 5.5Mathematics 131.9 to 95.1, Reasoning 118.3 to 99.9
Facts and researchSonnet 5.5Knowledge 122.8 to 80.3
Agents and workflowsSonnet 5.5Agents 120.8 to 98.6
Fast chat repliesGPT-5.6 Luna103 to 123 tokens per second
Security analysisopenCybersecurity 112.7 to 102.2 (too little data)
Many requests on a small budgetGPT-5.6 Luna$4 to $0.45 per 1M tokens
Finance, legal and medical textsSonnet 5.5Finance 119.4 to 99.2, Legal 114.5 to 96.2, Health 121.9 to 91.5
Images, screenshots and PDFsSonnet 5.5Multimodal 110.7 to 91.2

Claude Sonnet 5.5 vs. GPT-5.6 Luna in our own test

The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.

Pelican on a bicycle

Prompt

Generate an SVG of a pelican riding a bicycle

Task origin: Simon Willison

Claude Sonnet 5.5

Claude Sonnet 5.5: Pelican on a bicycle
A community classic for free-form SVG drawing.

Oct 1, 2026 · 28 s · $0.04

Test details
Run date
Oct 1, 2026
API provider
openrouter
Requested API model
anthropic/claude-sonnet-5.5
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
3,886 tokens
Cost of the attempt
$0.0389
Response time
28.2 s
API model reported in response
anthropic/claude-sonnet-5.5
Pinned endpoint
Anthropic | anthropic/claude-sonnet-5.5-20260928
Temperature
Provider default
Test protocol
community-visual-tests-v1
Technical checks
Passed, not a quality rating

Visually reviewed. This individual test does not establish overall model quality.

GPT-5.6 Luna

GPT-5.6 Luna: Pelican on a bicycle
A community classic for free-form SVG drawing.

Sep 7, 2026 · 50 s · $0.0038

Test details
Run date
Sep 7, 2026
API provider
openrouter
Requested API model
openai/gpt-5.6-luna
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
3,164 tokens
Cost of the attempt
$0.0038
Response time
49.9 s
API model reported in response
openai/gpt-5.6-luna
Pinned endpoint
OpenAI | openai/gpt-5.6-luna-20260709
Temperature
Provider default
Test protocol
community-visual-tests-v1
Technical checks
Passed, not a quality rating

Visually reviewed. This individual test does not establish overall model quality.

SVG short test

SVG short test

One SVG task with the same fixed settings for every model, without hidden thinking.

Prompt

Return only one standalone SVG of a pelican riding a bicycle. Use viewBox="0 0 800 600", simple shapes, two clearly visible wheels and a recognizable pelican with a long beak. At most 30 SVG elements and 1800 characters. No Markdown, explanations, comments, scripts, animation, CSS or external resources.

Claude Sonnet 5.5

Unavailable in this round

GPT-5.6 Luna

Unavailable in this round

Claude Sonnet 5.5 and GPT-5.6 Luna in the overall index

Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.

Overall index (Gradually Meta-Score v5)

20 of 95 models

Claude Fable 5.2max130.9
Gemini 4 Carbonhigh127.0
Claude Opus 5.5max125.7
Claude Fable 5.1max124.1
Claude Sonnet 5.5max121.9
Gemini 4 Argonhigh121.2
GPT-6 Astramax119.6
Muse Wonder Fullmax118.4
GPT-6.1 Solmax117.5
Claude Opus 5max117.3
Muse Wondermax113.7
Claude Fable 5max112.8
Kimi K3.1 Promax112.6
Muse Ember 1.0max110.5
GPT-5.6 Solmax109.3
GPT-6 Solmax108.4
Gemini 3.7 Flashhigh107.7
DeepSeek V4.1 Flash 1017max107.1
GPT-6.1 Terramax106.5
GPT-5.6 Lunamax93.8

Popularity compared

How often the models are searched for, used and mentioned, on a scale from 0 to 100.

Both are about as popular: Claude Sonnet 5.5 79, GPT-5.6 Luna 83 out of 100.

Over time

Weekly values from October 18, 2026 to November 13, 2026

Claude Sonnet 5.5GPT-5.6 Luna

All data side by side

The better value is bold. For the overall index only when the gap is clear.

MetricClaude Sonnet 5.5GPT-5.6 Luna
Intelligence
Overall indexpoints, 100 = reference group average, higher is better121.993.8
RankRank 5 of 95Rank 44 of 95
Price per 1M tokens
Inputwhat you send$2$0.20above 272,000 tokens: $0.40
Outputwhat the model writes$10$1.20above 272,000 tokens: $1.80
Cost per task (own tests)average of 3 original-protocol tasks both models passed (SVG short test not included)$0.038$0.008
Speed
Tokens per second103123
Popularity
Popularitysearch, usage and mentions, 0 to 10079Rank 21 of 47883Rank 12 of 478
Technical
Context windowhow much text the model reads at once1 M tokens≈ 1,500 A4 pages1.05 M tokens≈ 1,580 A4 pages
Knowledge cutoffJune 2026Feb 16, 2026
ReleasedSep 28, 2026Jul 9, 2026
AvailabilityActiveActive
Open weightsnono

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Is there a better choice?

Successor of GPT-5.6 LunaGPT-6 Luna

Overall index 95.6, rank 40$0.10 input and $0.50 output per 1M tokens

Sonnet 5.5 vs. GPT-6 Luna
Cheaper than GPT-5.6 LunaMuse Ember 1.0

Overall index 110.5, rank 14$0.10 input and $0.50 output per 1M tokens

View profile
Best model in the overall indexClaude Fable 5.2

Overall index 130.9, rank 1$8 input and $40 output per 1M tokens

Sonnet 5.5 vs. Claude Fable 5.2

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: Claude Sonnet 5.5B: GPT-5.6 Luna

Access to Justice BenchmarkOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 74.9%GPT-5.6 Luna: 65.6%Vals AIAs of 11/10/2026
BioMysteryBenchOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 81.1%GPT-5.6 Luna: 61.5%Vals AIAs of 11/05/2026
Code MigrationOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 69.8%GPT-5.6 Luna: 44.6%Vals AIAs of 10/29/2026
CyberBench v1.1Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 59.6%GPT-5.6 Luna: 73.6%Vals AIAs of 11/05/2026
EMBOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 75.7%GPT-5.6 Luna: 67.1%Vals AIAs of 10/20/2026
Finance Agent (v2)Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 58.1%GPT-5.6 Luna: 55.0%Vals AIAs of 10/29/2026
Financial Coaching BenchOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 74.9%GPT-5.6 Luna: 69.3%Vals AIAs of 11/13/2026
IOIOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 83.1%GPT-5.6 Luna: 61.8%Vals AIAs of 10/29/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 48.1%GPT-5.6 Luna: 36.5%Vals AIAs of 11/05/2026
LMArena Text, Style ControlOverall · higher is betterClaude Sonnet 5.5: 1,473GPT-5.6 Luna: 1,453LMArenaAs of 11/11/2026
Show 54 more benchmarks
LMArena Vision, Style ControlOverall · higher is betterClaude Sonnet 5.5: 1,263GPT-5.6 Luna: 1,255LMArenaAs of 11/09/2026
MedCodeOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 52.9%GPT-5.6 Luna: 42.4%Vals AIAs of 10/29/2026
MedScribeOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 91.1%GPT-5.6 Luna: 84.4%Vals AIAs of 10/29/2026
MysteryMechanismOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 49.1%GPT-5.6 Luna: 14.4%Vals AIAs of 10/29/2026
ProgramBenchOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 6.5%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
ProofBench v1.1Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 100%GPT-5.6 Luna: 60%Vals AIAs of 10/29/2026
Public Benefits Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 67.2%GPT-5.6 Luna: 61.2%Vals AIAs of 10/12/2026
SRE BenchOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 30.2%GPT-5.6 Luna: 1.5%Vals AIAs of 11/05/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 42.0%GPT-5.6 Luna: 24.8%Vals AIAs of 11/05/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 64.1%GPT-5.6 Luna: 11.6%Vals AIAs of 11/05/2026
Terminal-Bench-ScienceOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 47.1%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
Vals Science IndexOverall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 59.1%GPT-5.6 Luna: 25.3%Vals AIAs of 10/25/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 92.4%GPT-5.6 Luna: 77.1%Vals AIAs of 11/05/2026
BioMysteryBenchHard · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 45.1%GPT-5.6 Luna: 27.5%Vals AIAs of 11/05/2026
Code MigrationCLI · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 69.8%GPT-5.6 Luna: 36.1%Vals AIAs of 10/29/2026
CyberBench v1.1Patch · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 87.5%GPT-5.6 Luna: 83.9%Vals AIAs of 11/05/2026
EMBComps · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 80.0%GPT-5.6 Luna: 54.6%Vals AIAs of 10/20/2026
Finance Agent (v2)Adjustments · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 52.7%GPT-5.6 Luna: 52.0%Vals AIAs of 10/29/2026
Financial Coaching BenchElicitation · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 63.1%GPT-5.6 Luna: 54.4%Vals AIAs of 11/13/2026
IOIIOI 2024 · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 85%GPT-5.6 Luna: 85%Vals AIAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 69.7%GPT-5.6 Luna: 48.5%Vals AIAs of 11/05/2026
LMArena Text, Style ControlBusiness, management and finance · higher is betterClaude Sonnet 5.5: 1,474GPT-5.6 Luna: 1,462LMArenaAs of 11/11/2026
LMArena Vision, Style ControlChinese · higher is betterClaude Sonnet 5.5: 1,372GPT-5.6 Luna: 1,285LMArenaAs of 11/09/2026
ProgramBenchAlmost Resolved · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 49.5%GPT-5.6 Luna: 9.0%Vals AIAs of 11/05/2026
SRE BenchCapability Score · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 51.6%GPT-5.6 Luna: 6.4%Vals AIAs of 11/05/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 16.7%GPT-5.6 Luna: 10.0%Vals AIAs of 11/05/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 53.3%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
Terminal-Bench-ScienceEarth Sciences · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 12.5%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
Vals Science IndexBioMysteryBench · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 81.1%GPT-5.6 Luna: 61.5%Vals AIAs of 10/25/2026
BioMysteryBenchHuman-solvable · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 89.5%GPT-5.6 Luna: 69.4%Vals AIAs of 11/05/2026
Code MigrationCOBOL · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 70%GPT-5.6 Luna: 70%Vals AIAs of 10/29/2026
CyberBench v1.1PoC · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 31.7%GPT-5.6 Luna: 63.3%Vals AIAs of 11/05/2026
EMBDataroom · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 86.3%GPT-5.6 Luna: 83.0%Vals AIAs of 10/20/2026
Finance Agent (v2)All-Pass · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 47.6%GPT-5.6 Luna: 43.3%Vals AIAs of 10/29/2026
Financial Coaching BenchLength-Controlled · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 75.2%GPT-5.6 Luna: 69.5%Vals AIAs of 11/13/2026
IOIIOI 2025 · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 88.3%GPT-5.6 Luna: 49.8%Vals AIAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit (weighted pass) · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 91.3%GPT-5.6 Luna: 87.5%Vals AIAs of 11/05/2026
LMArena Text, Style ControlChinese · higher is betterClaude Sonnet 5.5: 1,541GPT-5.6 Luna: 1,478LMArenaAs of 11/11/2026
LMArena Vision, Style ControlCreative writing with images · higher is betterClaude Sonnet 5.5: 1,243GPT-5.6 Luna: 1,257LMArenaAs of 11/09/2026
ProgramBenchFully Resolved · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 6.5%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
SRE BenchFully Solved · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 30.2%GPT-5.6 Luna: 1.5%Vals AIAs of 11/05/2026
Tax Agent BenchControversy & Precedence Analysis (weighted pass) · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 65.2%GPT-5.6 Luna: 61.2%Vals AIAs of 11/05/2026
Terminal-Bench 4.0Media · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 75%GPT-5.6 Luna: 0%Vals AIAs of 11/05/2026
Terminal-Bench-ScienceEngineering Sciences · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 44.4%GPT-5.6 Luna: 0.0%Vals AIAs of 11/05/2026
Vals Science IndexMysteryMechanism · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 49.1%GPT-5.6 Luna: 14.4%Vals AIAs of 10/25/2026
Code MigrationCode Quality · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 4.601 / 5GPT-5.6 Luna: 3.195 / 5Vals AIAs of 10/29/2026
EMBDCF · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 70.1%GPT-5.6 Luna: 60.5%Vals AIAs of 10/20/2026
Finance Agent (v2)Comparables · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 47.1%GPT-5.6 Luna: 48.3%Vals AIAs of 10/29/2026
IOIIOI 2026 · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 75.8%GPT-5.6 Luna: 50.5%Vals AIAs of 10/29/2026
Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 39.5%GPT-5.6 Luna: 32.6%Vals AIAs of 11/05/2026
LMArena Text, Style ControlCoding · higher is betterClaude Sonnet 5.5: 1,517GPT-5.6 Luna: 1,502LMArenaAs of 11/11/2026
LMArena Vision, Style ControlDiagram understanding · higher is betterClaude Sonnet 5.5: 1,308GPT-5.6 Luna: 1,278LMArenaAs of 11/09/2026
ProgramBenchRaw Pass Rate · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 76.3%GPT-5.6 Luna: 68.3%Vals AIAs of 11/05/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalClaude Sonnet 5.5: 49.9%GPT-5.6 Luna: 33.0%Vals AIAs of 11/05/2026

More comparisons

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The most popular comparisons

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  3. 3Claude Opus 5.5 vs. Claude Sonnet 5.5
  4. 4Claude Sonnet 5.5 vs. GLM-5.3
  5. 5Claude Sonnet 5.5 vs. Claude Haiku 5.5
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  7. 7Claude Sonnet 5.5 vs. Grok 4.7
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  1. 10Claude Sonnet 5.5 vs. Claude Fable 5.1
  2. 11GPT-5.6 Luna vs. Gemini 3.8 Flash
  3. 12Claude Sonnet 5.5 vs. Gemini 3.1 Pro Preview
  4. 13Claude Sonnet 5.5 vs. DeepSeek V4.1 Flash 1017
  5. 14Claude Sonnet 5.5 vs. GPT-6 Luna
  6. 15Claude Sonnet 5.5 vs. Kimi K3
  7. 16Claude Sonnet 5.5 vs. Qwen 3.8 27B
  8. 17Claude Sonnet 5.5 vs. Claude Opus 4.6
  9. 18Claude Sonnet 5.5 vs. DeepSeek-V4-Pro
  10. 19Claude Sonnet 5.5 vs. GLM-5.2
  11. 20Claude Sonnet 5.5 vs. DeepSeek-V4-Flash
  12. 21GPT-5.6 Luna vs. DeepSeek-V4.1-Flash
  13. 22GPT-5.6 Luna vs. GPT-5.4 mini
  14. 23Claude Haiku 5.5 vs. GPT-5.6 Luna
  15. 24GPT-5.6 Luna vs. DeepSeek V4.1 Flash 1017
  16. 25Claude Sonnet 5.5 vs. GPT-6 Sol
  17. 26Claude Sonnet 5.5 vs. Gemini 3.5 Flash-Lite
  18. 27GPT-5.6 Luna vs. Qwen 3.8 27B
  19. 28Claude Sonnet 5.5 vs. Claude Fable 5
  20. 29Claude Sonnet 5.5 vs. Qwen 3.8 Max 0902
  21. 30Claude Sonnet 5.5 vs. Gemini 3.6 Flash
  22. 31Claude Sonnet 5.5 vs. Claude Sonnet 4.6
  23. 32Claude Sonnet 5.5 vs. GPT-5.6 Sol
  24. 33Claude Sonnet 5.5 vs. GLM-5.3-Flash
  25. 34GPT-5.6 Luna vs. Grok 4.7
  26. 35GPT-5.6 Luna vs. DeepSeek-V4-Flash
  27. 36Claude Opus 5 vs. GPT-5.6 Luna
  28. 37Claude Sonnet 5.5 vs. Muse Spark 1.3
  29. 38Claude Sonnet 5.5 vs. Claude Opus 4.7
  30. 39GPT-6 Astra vs. GPT-5.6 Luna
  31. 40GPT-5.6 Luna vs. GLM-5.3-Flash
  32. 41GPT-6 Sol vs. GPT-5.6 Luna
  33. 42Claude Sonnet 5.5 vs. GPT-6 Astra
  34. 43GPT-5.6 Luna vs. Kimi K3
  35. 44Claude Sonnet 5.5 vs. Claude Opus 4.8
  36. 45Claude Sonnet 5 vs. GPT-5.6 Luna
  37. 46GPT-5.6 Sol vs. GPT-5.6 Luna
  38. 47GPT-5.6 Luna vs. Gemini 3.5 Flash-Lite
  39. 48Claude Sonnet 5.5 vs. Kimi K2.6
  40. 49Claude Sonnet 4.5 vs. GPT-5.6 Luna
  41. 50Claude Sonnet 5.5 vs. Grok 4.6
  42. 51GPT-5.6 Luna vs. Gemini 3.7 Flash
  43. 52Claude Sonnet 5.5 vs. GPT-6.1 Sol
  44. 53Claude Sonnet 5.5 vs. Claude Sonnet 4.5
  45. 54GPT-5.6 Luna vs. Gemini 3.1 Pro Preview
  46. 55Claude Sonnet 5.5 vs. Gemini 3.7 Flash
  47. 56Claude Sonnet 5.5 vs. Claude Haiku 4.5
  48. 57Claude Sonnet 5.5 vs. Mistral Large 4
  49. 58Claude Sonnet 5.5 vs. Mistral Medium 3.5
  50. 59GPT-5.6 Luna vs. GPT-5.4
  51. 60GPT-5.6 Luna vs. Mistral Large 4
  52. 61Claude Sonnet 5.5 vs. GPT-5.4
  53. 62Claude Sonnet 5.5 vs. Gemini 3.5 Flash
  54. 63Claude Opus 4.6 vs. GPT-5.6 Luna
  55. 64Claude Sonnet 5.5 vs. GPT-5.5
  56. 65Claude Haiku 4.5 vs. GPT-5.6 Luna
  57. 66GPT-5.6 Luna vs. GPT-5.5
  58. 67Claude Opus 4.5 vs. GPT-5.6 Luna
  59. 68Claude Sonnet 5.5 vs. Claude Opus 4.5
  60. 69Claude Sonnet 5.5 vs. Kimi K3.1 Pro
  61. 70GPT-6.1 Terra vs. GPT-5.6 Luna
  62. 71GPT-6.1 Sol vs. GPT-5.6 Luna
  63. 72Claude Sonnet 5.5 vs. GPT-6.1 Terra
  64. 73Claude Sonnet 5.5 vs. Muse Wonder Full
  65. 74GPT-5.6 Luna vs. Gemini 4 Argon
  66. 75Claude Sonnet 5.5 vs. Gemini 4 Argon
  67. 76Claude Sonnet 5.5 vs. Gemini 4 Carbon