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AnthropicLLM matchup

Claude Haiku 5.5vs.Claude Opus 4.6

Is the higher price worth it?

Claude Haiku 5.5 performs better than Claude Opus 4.6 and is cheaper: Claude Opus 4.6 costs 50 times as much.

Haiku 5.5 ahead
IntelligenceOverall index, 100 points = average
103.4

Claude Haiku 5.5

Rank 20

81.9

Claude Opus 4.6

Rank 52

Haiku 5.5 faster
SpeedTokens per second
236

Claude Haiku 5.5

52

Claude Opus 4.6

Haiku 5.5 cheaper
Price$ per 1M tokens
$0.20

Claude Haiku 5.5

$10

Claude Opus 4.6

Haiku 5.5 more popular
Popularity0 to 100
77

Claude Haiku 5.5

Rank 3 of 875

37

Claude Opus 4.6

Rank 337 of 875

Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens.

Choose Claude Haiku 5.5 for

GeneralEducationProductivityReasoningCodingAgentsHealthFinance

Choose Claude Opus 4.6 for

No clear advantage

Where is the difference?

Strengths at a glance

Haiku 5.5Opus 4.6

The median of all ranked models is below 100 in every area, so it sits in the centre of the net.

105110100CodingHaiku 5.5ReasoningHaiku 5.5AgentsHaiku 5.5GeneralHaiku 5.5FinanceHaiku 5.5HealthHaiku 5.5
CodingHaiku 5.5 ahead
Haiku 5.5106.2Rank 18
Opus 4.684.0no rank
Median of ranked models83.7

95 % range: Haiku 5.5 102.5 to 109.9, Opus 4.6 77.6 to 90.4.

AreaHaiku 5.5Opus 4.6

The same values and verdicts as the bars below. In the top field the net starts at 100 points, the reference group average; values below sit as a hollow point in the centre. Not in the net because a model has no own value there or the data are too thin: Mathematics, Knowledge, Multimodal, Legal.

Haiku 5.5 is ahead in 6 of 10 areas, Opus 4.6 in none.

Haiku 5.5 ahead: 6too little data: 4

Areas in the overall index
GeneralHaiku 5.5 +33106.4 to 73.1
ReasoningHaiku 5.5 +23105.2 to 82.4
CodingHaiku 5.5 +22106.2 to 84.0
AgentsHaiku 5.5 +21106.1 to 84.8
Mathematicsonly Haiku 5.5 has a score
Knowledgeonly Haiku 5.5 has a score
Multimodalonly Opus 4.6 has a score
Specialist fields
HealthHaiku 5.5 +19108.9 to 89.6
FinanceHaiku 5.5 +17104.7 to 87.4
Legaltoo little data94.4 to 87.6

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
EducationHaiku 5.5 +31109.6 to 78.9
ProductivityHaiku 5.5 +31101.8 to 71.2
Cybersecurityonly Haiku 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.

Which model for which task?

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

Writing and debugging codeHaiku 5.5Coding 106.2 to 84.0
Maths and data analysisHaiku 5.5Mathematics without a score for Opus 4.6, Reasoning 105.2 to 82.4
Facts and researchopenKnowledge without a score for Opus 4.6
Agents and workflowsHaiku 5.5Agents 106.1 to 84.8
Fast chat repliesHaiku 5.5236 to 52 tokens per second
Security analysisopenCybersecurity without a score for Opus 4.6
Many requests on a small budgetHaiku 5.5$0.20 to $10 per 1M tokens
Finance, legal and medical textsHaiku 5.5Finance 104.7 to 87.4, Legal 94.4 to 87.6 (too little data), Health 108.9 to 89.6
Images, screenshots and PDFsopenMultimodal without a score for Haiku 5.5

See for yourself: same task, one attempt

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 Haiku 5.5

Unavailable in this round

Claude Opus 4.6

Claude Opus 4.6: SVG short test

Oct 14, 2026 · $0.0196

Test details
Test run
Oct 14, 2026
Provider
anthropic
API model
anthropic/claude-opus-4.6
Output
766 tokens
Reasoning
API reports 0 reasoning tokens
Cost of the attempt
$0.0196
Test round
43b8c5c46830
Earlier tests

Pelican on a bicycle

Prompt

Generate an SVG of a pelican riding a bicycle

Task origin: Simon Willison

Claude Haiku 5.5

Not tested yet

Claude Opus 4.6

Claude Opus 4.6: Pelican on a bicycle
A community classic for free-form SVG drawing.

Oct 1, 2026 · 85 s · $0.16

Test details
Run date
Oct 1, 2026
API provider
openrouter
Requested API model
anthropic/claude-opus-4.6
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
6,460 tokens
Cost of the attempt
$0.1616
Response time
85.1 s
API model reported in response
anthropic/claude-opus-4.6
Pinned endpoint
Anthropic | anthropic/claude-4.6-opus-20260205
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.

Claude Haiku 5.5 and Claude Opus 4.6 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 91 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 Carbonhigh125.7
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 Solmax110.6
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
Claude Haiku 5.5max103.4
Claude Opus 4.6max81.9

Popularity compared

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

Claude Haiku 5.5 is more popular than Claude Opus 4.6: 77 to 37 out of 100.

Over time

Weekly values from October 18, 2026 to November 5, 2026

Claude Haiku 5.5Claude Opus 4.6

All data side by side

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

MetricClaude Haiku 5.5Claude Opus 4.6
Intelligence
Overall indexpoints, 100 = reference group average, higher is better103.481.9
RankRank 20 of 91Rank 52 of 91
Price per 1M tokens
Inputwhat you send$0.10above 100,000 tokens: $0.50$5
Outputwhat the model writes$0.50above 100,000 tokens: $2.50$25
Speed
Tokens per second23652
Popularity
Popularitysearch, usage and mentions, 0 to 10077Rank 3 of 87537Rank 337 of 875
Technical
Context windowhow much text the model reads at once1 M tokens≈ 1,500 A4 pages1 M tokens≈ 1,500 A4 pages
Knowledge cutoffJune 2026May 2025
ReleasedOct 7, 2026February 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 4.6Claude Opus 4.7

Overall index 93.5, rank 39. $5 input and $25 output per 1M tokens.

Haiku 5.5 vs. Claude Opus 4.7
Cheaper than Haiku 5.5MiMo V2.6 Flash

Overall index 98.3, rank 31. $0.14 input and $0.28 output per 1M tokens.

View profile
Best model in the overall indexClaude Opus 5.5

Overall index 126.1, rank 1. $4 input and $20 output per 1M tokens.

Haiku 5.5 vs. Claude Opus 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 Haiku 5.5B: Claude Opus 4.6

LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,589Claude Opus 4.6: 1,537LMArenaAs of 10/28/2026
LMArena Text, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,425Claude Opus 4.6: 1,496LMArenaAs of 10/28/2026
MedCodeOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 51.5%Claude Opus 4.6: 48.2%Vals AIAs of 10/29/2026
MedScribeOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 89.5%Claude Opus 4.6: 86.7%Vals AIAs of 10/29/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 90.4%Claude Opus 4.6: 57.6%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevOverall · higher is betterClaude Haiku 5.5: 1,589Claude Opus 4.6: 1,546LMArenaAs of 10/28/2026
LMArena Text, Style ControlOverall · higher is betterClaude Haiku 5.5: 1,425Claude Opus 4.6: 1,503LMArenaAs of 10/28/2026
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,568Claude Opus 4.6: 1,546LMArenaAs of 10/28/2026
LMArena Text, Style ControlBusiness, management and finance · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,435Claude Opus 4.6: 1,499LMArenaAs of 10/28/2026
LMArena Code Arena WebDevHTML development · higher is betterClaude Haiku 5.5: 1,568Claude Opus 4.6: 1,559LMArenaAs of 10/28/2026
Show 51 more benchmarks
LMArena Text, Style ControlBusiness, management and finance · higher is betterClaude Haiku 5.5: 1,435Claude Opus 4.6: 1,500LMArenaAs of 10/28/2026
LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,608Claude Opus 4.6: 1,528LMArenaAs of 10/28/2026
LMArena Text, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,468Claude Opus 4.6: 1,544LMArenaAs of 10/28/2026
LMArena Code Arena WebDevReact development · higher is betterClaude Haiku 5.5: 1,608Claude Opus 4.6: 1,539LMArenaAs of 10/28/2026
LMArena Text, Style ControlChinese · higher is betterClaude Haiku 5.5: 1,468Claude Opus 4.6: 1,550LMArenaAs of 10/28/2026
LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,589Claude Opus 4.6: 1,537LMArenaAs of 10/28/2026
LMArena Text, Style ControlCoding · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,489Claude Opus 4.6: 1,546LMArenaAs of 10/28/2026
LMArena Code Arena WebDevWeb development · higher is betterClaude Haiku 5.5: 1,589Claude Opus 4.6: 1,546LMArenaAs of 10/28/2026
LMArena Text, Style ControlCoding · higher is betterClaude Haiku 5.5: 1,489Claude Opus 4.6: 1,548LMArenaAs of 10/28/2026
LMArena Text, Style ControlCreative writing · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,361Claude Opus 4.6: 1,477LMArenaAs of 10/28/2026
LMArena Text, Style ControlCreative writing · higher is betterClaude Haiku 5.5: 1,361Claude Opus 4.6: 1,499LMArenaAs of 10/28/2026
LMArena Text, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,438Claude Opus 4.6: 1,506LMArenaAs of 10/28/2026
LMArena Text, Style ControlEnglish · higher is betterClaude Haiku 5.5: 1,438Claude Opus 4.6: 1,513LMArenaAs of 10/28/2026
LMArena Text, Style ControlEntertainment, sports and media · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,378Claude Opus 4.6: 1,476LMArenaAs of 10/28/2026
LMArena Text, Style ControlEntertainment, sports and media · higher is betterClaude Haiku 5.5: 1,378Claude Opus 4.6: 1,491LMArenaAs of 10/28/2026
LMArena Text, Style ControlExcluding ties · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,417Claude Opus 4.6: 1,515LMArenaAs of 10/28/2026
LMArena Text, Style ControlExcluding ties · higher is betterClaude Haiku 5.5: 1,417Claude Opus 4.6: 1,522LMArenaAs of 10/28/2026
LMArena Text, Style ControlExpert prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,479Claude Opus 4.6: 1,533LMArenaAs of 10/28/2026
LMArena Text, Style ControlExpert prompts · higher is betterClaude Haiku 5.5: 1,479Claude Opus 4.6: 1,544LMArenaAs of 10/28/2026
LMArena Text, Style ControlFrench prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,457Claude Opus 4.6: 1,495LMArenaAs of 10/28/2026
LMArena Text, Style ControlFrench prompts · higher is betterClaude Haiku 5.5: 1,457Claude Opus 4.6: 1,509LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,452Claude Opus 4.6: 1,526LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts · higher is betterClaude Haiku 5.5: 1,452Claude Opus 4.6: 1,531LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts, English · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,460Claude Opus 4.6: 1,529LMArenaAs of 10/28/2026
LMArena Text, Style ControlHard prompts, English · higher is betterClaude Haiku 5.5: 1,460Claude Opus 4.6: 1,535LMArenaAs of 10/28/2026
LMArena Text, Style ControlInstruction following · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,429Claude Opus 4.6: 1,498LMArenaAs of 10/28/2026
LMArena Text, Style ControlInstruction following · higher is betterClaude Haiku 5.5: 1,429Claude Opus 4.6: 1,511LMArenaAs of 10/28/2026
LMArena Text, Style ControlLegal and government · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,413Claude Opus 4.6: 1,507LMArenaAs of 10/28/2026
LMArena Text, Style ControlLegal and government · higher is betterClaude Haiku 5.5: 1,413Claude Opus 4.6: 1,509LMArenaAs of 10/28/2026
LMArena Text, Style ControlLife, physical and social science · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,444Claude Opus 4.6: 1,519LMArenaAs of 10/28/2026
LMArena Text, Style ControlLife, physical and social science · higher is betterClaude Haiku 5.5: 1,444Claude Opus 4.6: 1,527LMArenaAs of 10/28/2026
LMArena Text, Style ControlLonger queries · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,424Claude Opus 4.6: 1,516LMArenaAs of 10/28/2026
LMArena Text, Style ControlLonger queries · higher is betterClaude Haiku 5.5: 1,424Claude Opus 4.6: 1,521LMArenaAs of 10/28/2026
LMArena Text, Style ControlMath · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,449Claude Opus 4.6: 1,503LMArenaAs of 10/28/2026
LMArena Text, Style ControlMath · higher is betterClaude Haiku 5.5: 1,449Claude Opus 4.6: 1,516LMArenaAs of 10/28/2026
LMArena Text, Style ControlMathematical professions · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,452Claude Opus 4.6: 1,511LMArenaAs of 10/28/2026
LMArena Text, Style ControlMathematical professions · higher is betterClaude Haiku 5.5: 1,452Claude Opus 4.6: 1,524LMArenaAs of 10/28/2026
LMArena Text, Style ControlMedicine and healthcare · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,412Claude Opus 4.6: 1,511LMArenaAs of 10/28/2026
LMArena Text, Style ControlMedicine and healthcare · higher is betterClaude Haiku 5.5: 1,412Claude Opus 4.6: 1,517LMArenaAs of 10/28/2026
LMArena Text, Style ControlMulti-turn · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,422Claude Opus 4.6: 1,510LMArenaAs of 10/28/2026
LMArena Text, Style ControlMulti-turn · higher is betterClaude Haiku 5.5: 1,422Claude Opus 4.6: 1,517LMArenaAs of 10/28/2026
LMArena Text, Style ControlNon-English · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,409Claude Opus 4.6: 1,483LMArenaAs of 10/28/2026
LMArena Text, Style ControlNon-English · higher is betterClaude Haiku 5.5: 1,409Claude Opus 4.6: 1,488LMArenaAs of 10/28/2026
LMArena Text, Style ControlRussian prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,394Claude Opus 4.6: 1,503LMArenaAs of 10/28/2026
LMArena Text, Style ControlRussian prompts · higher is betterClaude Haiku 5.5: 1,394Claude Opus 4.6: 1,505LMArenaAs of 10/28/2026
LMArena Text, Style ControlSoftware and IT services · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,481Claude Opus 4.6: 1,535LMArenaAs of 10/28/2026
LMArena Text, Style ControlSoftware and IT services · higher is betterClaude Haiku 5.5: 1,481Claude Opus 4.6: 1,537LMArenaAs of 10/28/2026
LMArena Text, Style ControlSpanish prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,404Claude Opus 4.6: 1,498LMArenaAs of 10/28/2026
LMArena Text, Style ControlSpanish prompts · higher is betterClaude Haiku 5.5: 1,404Claude Opus 4.6: 1,494LMArenaAs of 10/28/2026
LMArena Text, Style ControlWriting, literature and language · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,390Claude Opus 4.6: 1,489LMArenaAs of 10/28/2026
LMArena Text, Style ControlWriting, literature and language · higher is betterClaude Haiku 5.5: 1,390Claude Opus 4.6: 1,500LMArenaAs of 10/28/2026

More comparisons

Compare Claude Haiku 5.5 and Claude Opus 4.6 with the models people compare them with most often.

Compare another matchup

The most popular comparisons

  1. 1Claude Haiku 5.5 vs. GPT-6 Luna
  2. 2Claude Opus 4.6 vs. Gemini 3.8 Flash
  3. 3Claude Sonnet 5.5 vs. Claude Haiku 5.5
  4. 4Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017
  5. 5Claude Haiku 5.5 vs. DeepSeek-V4-Flash
  6. 6Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
  7. 7Claude Opus 5.5 vs. Claude Haiku 5.5
  8. 8Claude Haiku 5.5 vs. GLM-5.3
  9. 9Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
Show all 54 comparisons
  1. 10Claude Haiku 5.5 vs. Gemini 3.8 Flash
  2. 11Claude Haiku 5.5 vs. Claude Sonnet 4.5
  3. 12Claude Opus 4.6 vs. DeepSeek-V4.1-Flash
  4. 13Claude Haiku 5.5 vs. Claude Sonnet 5
  5. 14Claude Opus 5.5 vs. Claude Opus 4.6
  6. 15Claude Haiku 5.5 vs. Claude Opus 5
  7. 16Claude Haiku 5.5 vs. GPT-6 Astra
  8. 17Claude Haiku 5.5 vs. Gemini 3.5 Flash
  9. 18Claude Haiku 5.5 vs. Claude Opus 4.8
  10. 19Claude Sonnet 5.5 vs. Claude Opus 4.6
  11. 20Claude Haiku 5.5 vs. Gemini 4 Argon
  12. 21Claude Opus 4.6 vs. GPT-6 Luna
  13. 22Claude Haiku 5.5 vs. Grok 4.7
  14. 23Claude Opus 4.6 vs. GLM-5.3-Flash
  15. 24Claude Haiku 5.5 vs. GPT-5.6 Luna
  16. 25Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
  17. 26Claude Haiku 5.5 vs. Muse Spark 1.3
  18. 27Claude Haiku 5.5 vs. Claude Sonnet 4.6
  19. 28Claude Haiku 5.5 vs. Gemini 3.7 Flash
  20. 29Claude Haiku 5.5 vs. Mistral Large 4
  21. 30Claude Opus 4.6 vs. GPT-6 Astra
  22. 31Claude Haiku 5.5 vs. GPT-6.1 Sol
  23. 32Claude Opus 4.6 vs. GPT-6.1 Sol
  24. 33Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
  25. 34Claude Haiku 5.5 vs. GLM-5.3-Flash
  26. 35Claude Haiku 5.5 vs. DeepSeek-V4-Pro
  27. 36Claude Haiku 5.5 vs. GPT-5.6 Sol
  28. 37Claude Haiku 5.5 vs. Gemini 3.6 Flash
  29. 38Claude Haiku 5.5 vs. Kimi K2.6
  30. 39Claude Opus 4.6 vs. GPT-6 Sol
  31. 40Claude Haiku 5.5 vs. Claude Opus 4.7
  32. 41Claude Haiku 5.5 vs. Mistral Large 3
  33. 42Claude Opus 4.6 vs. Qwen 3.8 27B
  34. 43Claude Haiku 5.5 vs. GPT-5.5
  35. 44Claude Opus 4.6 vs. Claude Sonnet 4.6
  36. 45Claude Opus 4.6 vs. DeepSeek-V4-Flash
  37. 46Claude Opus 4.6 vs. GLM-5.3
  38. 47Claude Fable 5.1 vs. Claude Opus 4.6
  39. 48Claude Opus 4.6 vs. Muse Spark 1.3
  40. 49Claude Opus 4.6 vs. Mistral Large 4
  41. 50Claude Opus 4.6 vs. GPT-5.6 Luna
  42. 51Claude Opus 4.8 vs. Claude Opus 4.6
  43. 52Claude Opus 4.6 vs. Gemini 3.6 Flash
  44. 53Claude Haiku 5.5 vs. GPT-6.1 Terra
  45. 54Claude Opus 4.6 vs. Muse Wonder Full