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AnthropicOpenAILLM matchup

Claude Opus 4.5vs.GPT-6 Sol

Which one is better?

GPT-6 Sol performs better than Claude Opus 4.5 and is cheaper: Claude Opus 4.5 costs 2.5 times as much.

GPT-6 Sol ahead
IntelligenceOverall index, 100 points = average
73.3

Claude Opus 4.5

Rank 59

110.5

GPT-6 Sol

Rank 13

GPT-6 Sol faster
SpeedTokens per second
64

Claude Opus 4.5

111

GPT-6 Sol

GPT-6 Sol cheaper
Price$ per 1M tokens
$10

Claude Opus 4.5

$4

GPT-6 Sol

GPT-6 Sol more popular
Popularity0 to 100
26

Claude Opus 4.5

Rank 612 of 785

73

GPT-6 Sol

Rank 3 of 785

Above 272,000 tokens of context, GPT-6 Sol costs more: $4 input and $15 output per 1M tokens.

Choose Claude Opus 4.5 for

No clear advantage

Choose GPT-6 Sol for

CodingReasoningAgentsMathematicsKnowledgeMultimodalLegalHealthProductivityFinance

Where is the difference?

Strengths at a glance

Opus 4.5GPT-6 SolMedian of all ranked models

8010012060CodingGPT-6 SolReasoningGPT-6 SolMathematicsGPT-6 SolKnowledgeGPT-6 SolAgentsGPT-6 SolMultimodalGPT-6 SolFinanceGPT-6 SolLegalGPT-6 SolHealthGPT-6 Sol
CodingGPT-6 Sol ahead
Opus 4.570.4no rank
GPT-6 Sol114.9Rank 11
Median of ranked models84.1

95 % range: Opus 4.5 62.1 to 78.8, GPT-6 Sol 112.2 to 117.6.

AreaOpus 4.5GPT-6 Sol

The same values and verdicts as the bars below. In the close-up the net starts at 60 points, just below the weaker model's lowest value; the reference group average is 100. Not in the net because a model has no own value there or the data are too thin: General.

GPT-6 Sol is ahead in 9 of 10 areas, Opus 4.5 in none.

too little data: 1GPT-6 Sol ahead: 9

Areas in the overall index
CodingGPT-6 Sol +4470.4 to 114.9
ReasoningGPT-6 Sol +4470.5 to 114.1
AgentsGPT-6 Sol +3770.0 to 107.2
MathematicsGPT-6 Sol +3780.5 to 117.5
KnowledgeGPT-6 Sol +3574.5 to 109.8
MultimodalGPT-6 Sol +3473.3 to 106.9
Generalonly GPT-6 Sol has a score
Specialist fields
LegalGPT-6 Sol +3074.6 to 104.8
HealthGPT-6 Sol +2877.2 to 104.8
FinanceGPT-6 Sol +2477.6 to 101.3

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
ProductivityGPT-6 Sol +2673.5 to 99.4
Cybersecurityonly GPT-6 Sol has a score
Searchonly GPT-6 Sol 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.

Which model for which task?

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

Writing and debugging codeGPT-6 SolCoding 70.4 to 114.9
Maths and data analysisGPT-6 SolMathematics 80.5 to 117.5, Reasoning 70.5 to 114.1
Facts and researchGPT-6 SolKnowledge 74.5 to 109.8, Search without a score for Opus 4.5
Agents and workflowsGPT-6 SolAgents 70.0 to 107.2
Fast chat repliesGPT-6 Sol64 to 111 tokens per second
Security analysisopenCybersecurity without a score for Opus 4.5
Many requests on a small budgetGPT-6 Sol$10 to $4 per 1M tokens
Finance, legal and medical textsGPT-6 SolFinance 77.6 to 101.3, Legal 74.6 to 104.8, Health 77.2 to 104.8
Images, screenshots and PDFsGPT-6 SolMultimodal 73.3 to 106.9

See for yourself: same task, one attempt

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 Opus 4.5

Claude Opus 4.5: Pelican on a bicycle
A community classic for free-form SVG drawing.

Oct 1, 2026 · 22 s · $0.05

Test details
Run date
Oct 1, 2026
API provider
openrouter
Requested API model
anthropic/claude-opus-4.5
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
1,810 tokens
Cost of the attempt
$0.0455
Response time
21.6 s
API model reported in response
anthropic/claude-opus-4.5
Pinned endpoint
Anthropic | anthropic/claude-4.5-opus-20251124
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-6 Sol

GPT-6 Sol: Pelican on a bicycle
A community classic for free-form SVG drawing.

Oct 1, 2026 · 80 s · $0.04

Test details
Run date
Oct 1, 2026
API provider
openrouter
Requested API model
openai/gpt-6-sol
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
4,389 tokens
Cost of the attempt
$0.0439
Response time
80.5 s
API model reported in response
openai/gpt-6-sol
Pinned endpoint
OpenAI | openai/gpt-6-sol-20260922
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 Opus 4.5

Unavailable in this round

GPT-6 Sol

Unavailable in this round

Claude Opus 4.5 and GPT-6 Sol 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 v4)

20 of 92 models

4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.

Claude Opus 5.5max126.1
Gemini 4 Carbonhigh125.8
Claude Fable 5.1max123.8
Claude Sonnet 5.5max122.8
Gemini 4 Argonhigh122.3
GPT-6 Astramax121.3
GPT-6.1 Solmax119.2
Muse Wonder Fullmax118.3
Claude Opus 5max117.2
Muse Wondermax113.4
Kimi K3.1 Promax112.9
Claude Fable 5max112.5
GPT-6 Solmax110.5
GPT-5.6 Solmax108.7
Muse Spark 1.3max107.4
Gemini 3.7 Flashhigh107.1
DeepSeek V4.1 Flash 1017max106.6
Gemini 3.8 Flashhigh106.5
GPT-6.1 Terramax105.3
Claude Opus 4.573.3

Popularity compared

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

GPT-6 Sol is more popular than Claude Opus 4.5: 73 to 26 out of 100.

Over time

Weekly values from October 18, 2026 to November 7, 2026

Claude Opus 4.5GPT-6 Sol

All data side by side

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

MetricClaude Opus 4.5GPT-6 Sol
Intelligence
Overall indexpoints, 100 = reference group average, higher is better73.3110.5
RankRank 59 of 92Rank 13 of 92
Price per 1M tokens
Inputwhat you send$5$2above 272,000 tokens: $4
Outputwhat the model writes$25$10above 272,000 tokens: $15
Cost per task (own tests)average of 3 original-protocol tasks both models passed (SVG short test not included)$0.18$0.044
Speed
Tokens per second64111
Popularity
Popularitysearch, usage and mentions, 0 to 10026Rank 612 of 78573Rank 3 of 785
Technical
Context windowhow much text the model reads at once200,000 tokens≈ 300 A4 pages1.05 M tokens≈ 1,580 A4 pages
Knowledge cutoffMay 2025Apr 20, 2026
ReleasedNovember 2025Sep 22, 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 Opus 4.5Claude Opus 4.6

Overall index 81.8, rank 52$5 input and $25 output per 1M tokens

GPT-6 Sol vs. Claude Opus 4.6
Successor of GPT-6 SolGPT-6.1 Sol

Overall index 119.2, rank 7$2 input and $10 output per 1M tokens

Opus 4.5 vs. GPT-6.1 Sol
As cheap as GPT-6 SolClaude Sonnet 5.5

Overall index 122.8, rank 4$2 input and $10 output per 1M tokens

GPT-6 Sol vs. Claude Sonnet 5.5

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 Opus 4.5B: GPT-6 Sol

MedCodeOverall · higher is betterTest setup not documented as identicalClaude Opus 4.5: 45.2%GPT-6 Sol: 47.1%Vals AIAs of 10/29/2026
MedScribeOverall · higher is betterTest setup not documented as identicalClaude Opus 4.5: 83.2%GPT-6 Sol: 82.0%Vals AIAs of 10/29/2026
MMMU-ProOverall · higher is betterClaude Opus 4.5: 71.2%GPT-6 Sol: 70.3%Artificial AnalysisAs of 11/07/2026

More comparisons

Compare Claude Opus 4.5 and GPT-6 Sol with the models people compare them with most often.

Compare another matchup

The most popular comparisons

  1. 1GPT-6 Sol vs. GPT-5.6 Sol
  2. 2GPT-6 Sol vs. DeepSeek-V4.1-Flash
  3. 3GPT-6 Sol vs. Gemini 3.8 Flash
  4. 4GPT-6 Sol vs. GPT-5.6 Terra
  5. 5GPT-6 Astra vs. GPT-6 Sol
  6. 6GPT-6 Sol vs. GLM-5.3-Flash
  7. 7Claude Sonnet 5.5 vs. GPT-6 Sol
  8. 8GPT-6 Sol vs. Gemini 3.1 Pro Preview
  9. 9Claude Opus 4.8 vs. GPT-6 Sol
Show all 48 comparisons
  1. 10GPT-6 Sol vs. GPT-5.4
  2. 11GPT-6 Sol vs. DeepSeek V4.1 Flash 1017
  3. 12GPT-6 Sol vs. Qwen 3.8 27B
  4. 13GPT-6 Sol vs. GPT-6 Luna
  5. 14GPT-6 Sol vs. Kimi K3.1 Pro
  6. 15Claude Opus 5.5 vs. Claude Opus 4.5
  7. 16Claude Sonnet 4.6 vs. GPT-6 Sol
  8. 17GPT-6 Sol vs. Grok 4.7
  9. 18Claude Haiku 5.5 vs. GPT-6 Sol
  10. 19Claude Opus 5.5 vs. GPT-6 Sol
  11. 20GPT-6 Sol vs. Qwen 3.8 Max 0902
  12. 21Claude Sonnet 5 vs. GPT-6 Sol
  13. 22GPT-6 Sol vs. Kimi K3
  14. 23Claude Fable 5.1 vs. GPT-6 Sol
  15. 24GPT-6 Sol vs. DeepSeek-V4-Pro
  16. 25GPT-6 Sol vs. GPT-5.6 Luna
  17. 26Claude Opus 5 vs. GPT-6 Sol
  18. 27Claude Opus 4.5 vs. GPT-6 Luna
  19. 28GPT-6 Sol vs. Mistral Large 4
  20. 29GPT-6 Sol vs. Gemini 4 Argon
  21. 30GPT-6 Sol vs. Gemini 3.6 Flash
  22. 31Claude Opus 4.6 vs. GPT-6 Sol
  23. 32Claude Opus 4.5 vs. DeepSeek-V4.1-Flash
  24. 33Claude Opus 4.5 vs. Qwen 3.8 Max 0902
  25. 34GPT-6 Sol vs. Muse Wonder
  26. 35Claude Opus 4.5 vs. GPT-6 Astra
  27. 36Claude Haiku 4.5 vs. GPT-6 Sol
  28. 37GPT-6 Sol vs. GPT-5.5
  29. 38GPT-6.1 Terra vs. GPT-6 Sol
  30. 39Claude Opus 4.5 vs. DeepSeek V4.1 Flash 1017
  31. 40Claude Opus 4.5 vs. DeepSeek-V4-Pro
  32. 41Claude Sonnet 5.5 vs. Claude Opus 4.5
  33. 42Claude Opus 4.5 vs. Claude Sonnet 4.6
  34. 43Claude Opus 4.5 vs. Claude Sonnet 4.5
  35. 44Claude Opus 4.5 vs. GPT-5.6 Luna
  36. 45Claude Opus 4.5 vs. Gemini 4 Argon
  37. 46Claude Opus 4.5 vs. Gemini 4 Carbon
  38. 47GPT-6 Sol vs. Gemini 4 Carbon
  39. 48Claude Opus 4.5 vs. Kimi K3.1 Pro