Claude Opus 4.6

Anthropic
Claude Opus 4.6 launch post cover

Cost/1M tokens

input
$5.00
cached
$0.50
output
$25.00
cache write
$6.25
Context
1Mtokens
Released
9mo ago

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Arena leaderboards and other sourced evaluations appear below; missing scores are not zero.

How it ranks

Against its predecessor, similarly priced models and the models ranked around it.

DeepSWE 1.1

Best pass@1 per model · Higher is better

Not evaluated in DeepSWE 1.1

Arena Text

Best Arena rating per model · Higher is better

Arena #6

  1. 1511
    Muse WonderSimilar price
  2. 1506
    Claude Opus 5.5Nearby rank
  3. 1504
    Claude Fable 5Nearby rank
  4. 1503
    Claude Opus 4.6
  5. 1503
    Claude Fable 5.1Nearby rank
  6. 1501
    Claude Opus 4.7Nearby rank
  7. 1485
    GPT-5.6 SolSimilar price
  8. 1481
    GPT-5.5Similar price
  9. 1474
    Claude Opus 4.5Predecessor
  10. 1346
    GPT-4o (2024-05-13)Similar price

+29 vs Claude Opus 4.5 (predecessor) · Ahead of 3 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #52

  1. 1649
    Muse WonderSimilar price
  2. 1615
    GPT-5.6 SolSimilar price
  3. 1555
    Claude Opus 4.8Nearby rank
  4. 1552
    Grok 4.5Nearby rank
  5. 1547
    Claude Opus 4.6
  6. 1541
    Muse Spark 1.1Nearby rank
  7. 1539
    Claude Sonnet 5Nearby rank
  8. 1512
    GPT-5.5Similar price
  9. 1493
    Claude Opus 4.5Predecessor
  10. 1462
    GPT-5.4Similar price

+54 vs Claude Opus 4.5 (predecessor) · Ahead of 2 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #4

  1. 1300
    Claude Opus 4.7Nearby rank
  2. 1299
    Qwen3.8 MaxNearby rank
  3. 1299
    Claude Opus 4.6
  4. 1295
    Claude Opus 5.5Nearby rank
  5. 1294
    Gemini 3.7 FlashNearby rank
  6. 1288
    GPT-5.6 SolSimilar price
  7. 1285
    GPT-5.5Similar price
  8. 1282
    GPT-5.4Similar price
  9. 1208
    Claude Opus 4Earlier version
  10. 1162
    GPT-4o (2024-05-13)Similar price

+91 vs Claude Opus 4 (earlier version) · Ahead of 3 of 4 similarly priced models

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Arena Document

Best Arena rating per model · Higher is better

Arena #3

  1. 1500
    Claude Fable 5Nearby rank
  2. 1498
    Claude Fable 5.1Nearby rank
  3. 1497
    Claude Opus 4.6
  4. 1494
    Claude Opus 4.7Nearby rank
  5. 1486
    GPT-5.6 SolSimilar price
  6. 1481
    GPT-5.5Similar price
  7. 1474
    GPT-6 AstraSimilar price
  8. 1471
    GPT-5.4Similar price
  9. 1467
    Claude Opus 4.5Predecessor

+29 vs Claude Opus 4.5 (predecessor) · Ahead of 3 of 4 similarly priced models

Agent Arena

Best IPS score per model · Higher is better

Not ranked on Agent Arena yet

ARC-AGI-2

Best score per model · Higher is better

#30 of 85

  1. 95.0%
    GPT-6 AstraSimilar price
  2. 92.5%
    GPT-5.6 SolSimilar price
  3. 85.0%
    GPT-5.5Similar price
  4. 74.0%
    GPT-5.4Similar price
  5. 65.8%
    GLM 5.3 FlashNearby rank
  6. 65.1%
    Grok 4.20Nearby rank
  7. 64.6%
    Claude Opus 4.6
  8. 61.4%
  9. 61.4%
    Grok 4.7Nearby rank
  10. 37.6%
    Claude Opus 4.5Predecessor

+26.9 pts vs Claude Opus 4.5 (predecessor) · Ahead of 0 of 4 similarly priced models

FrontierMath-2025-02-28-Private

Best score per model · Higher is better

#5 of 58

  1. 47.6%
    GPT-5.4Similar price
  2. 47.2%
    Claude Opus 4.8Similar price
  3. 43.8%
    Claude Opus 4.7Similar price
  4. 40.7%
    Claude Opus 4.6
  5. 40.7%
    GPT-5.2Nearby rank
  6. 39.0%
    Gemini 3.5 FlashNearby rank
  7. 32.4%
    Claude Sonnet 4.6Similar price
  8. 20.7%
    Claude Opus 4.5Predecessor

+20.0 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

FrontierMath-Tier-4-2025-07-01-Private

Best score per model · Higher is better

#4 of 46

  1. 31.3%
    Claude Opus 4.8Similar price
  2. 27.1%
    GPT-5.4Similar price
  3. 22.9%
    Claude Opus 4.7Similar price
  4. 22.9%
    Claude Opus 4.6
  5. 18.8%
    GPT-5.2Nearby rank
  6. 18.8%
  7. 8.3%
    Claude Sonnet 4.6Similar price
  8. 4.2%
    Claude Opus 4.5Predecessor

+18.7 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

FrontierMath-Tier-4-v2-Private

Best score per model · Higher is better

#38 of 72

  1. 97.6%
    GPT-6 AstraSimilar price
  2. 82.9%
    GPT-5.6 SolSimilar price
  3. 72.5%
    GPT-5.5Similar price
  4. 49.0%
    GPT-5.4Similar price
  5. 29.3%
    GLM 5.2Nearby rank
  6. 29.3%
    GLM 5.3Nearby rank
  7. 26.8%
    Claude Opus 4.6
  8. 26.8%
  9. 26.8%
  10. 4.9%
    Claude Opus 4.5Predecessor

+22.0 pts vs Claude Opus 4.5 (predecessor) · Ahead of 0 of 4 similarly priced models

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#34 of 87

  1. 93.7%
    GPT-6 AstraSimilar price
  2. 89.1%
    GPT-5.6 SolSimilar price
  3. 85.3%
    GPT-5.5Similar price
  4. 78.6%
    GPT-5.4Similar price
  5. 67.4%
    GPT-5.2Nearby rank
  6. 67.4%
  7. 66.0%
    Claude Opus 4.6
  8. 66.0%
    Grok 4.6Nearby rank
  9. 65.6%
    Claude Sonnet 5Nearby rank
  10. 34.4%
    Claude Opus 4.5Predecessor

+31.6 pts vs Claude Opus 4.5 (predecessor) · Ahead of 0 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#40 of 161

  1. 93.5%
    GPT-5.6 SolSimilar price
  2. 93.3%
    GPT-5.4Similar price
  3. 90.7%
    GPT-5.5Similar price
  4. 90.6%
    Claude Opus 5.5Nearby rank
  5. 90.5%
    Claude Opus 4.6
  6. 90.5%
    Claude Sonnet 5Nearby rank
  7. 90.5%
    GPT-6 LunaNearby rank
  8. 86.0%
    Claude Opus 4.5Predecessor
  9. 48.9%
    GPT-4o (2024-05-13)Similar price

+4.5 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

Humanity's Last Exam

Best score per model · Higher is better

#10 of 34

  1. 54.8%
    GPT-6 AstraSimilar price
  2. 36.2%
    GPT-5.4Similar price
  3. 36.2%
    Claude Opus 4.7Similar price
  4. 34.4%
    Claude Opus 4.6
  5. 31.6%
    GPT-5 ProNearby rank
  6. 30.1%
    Claude Haiku 5.5Nearby rank
  7. 14.2%
    Claude Opus 4.5Predecessor
  8. 7.5%
    Claude Sonnet 4.5Similar price

+20.3 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#43 of 158

  1. 100.0%
    GPT-5.6 SolSimilar price
  2. 97.8%
    GPT-5.4Similar price
  3. 95.6%
    Qwen3.7 MaxNearby rank
  4. 94.7%
    Claude Sonnet 5Nearby rank
  5. 94.4%
    Claude Opus 4.6
  6. 94.4%
  7. 94.2%
    Gemini 3.6 FlashNearby rank
  8. 86.1%
    Claude Opus 4.5Predecessor
  9. 84.4%
    GPT-5.5Similar price
  10. 6.3%
    GPT-4o (2024-05-13)Similar price

+8.3 pts vs Claude Opus 4.5 (predecessor) · Ahead of 2 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#37 of 87

  1. 75.6%
    GPT-6 AstraSimilar price
  2. 69.7%
    GPT-5.6 SolSimilar price
  3. 63.0%
    GPT-5.5Similar price
  4. 48.0%
    GPT-5.1Nearby rank
  5. 47.3%
  6. 47.0%
    Claude Opus 4.6
  7. 47.0%
  8. 46.5%
  9. 45.7%
    Claude Opus 4.5Predecessor
  10. 45.1%
    GPT-5.4Similar price

+1.3 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

SWE-bench Verified

Best score per model · Higher is better

#12 of 35

  1. 83.5%
    Claude Opus 4.7Similar price
  2. 76.9%
    GPT-5.4Similar price
  3. 76.7%
    Claude Opus 4.5Predecessor
  4. 76.7%
    Kimi K2.6Nearby rank
  5. 75.6%
    Claude Opus 4.6
  6. 75.6%
  7. 75.4%
  8. 75.2%
    Claude Sonnet 4.6Similar price
  9. 71.3%
    Claude Sonnet 4.5Similar price

-1.0 pts vs Claude Opus 4.5 (predecessor) · Ahead of 2 of 4 similarly priced models

Terminal Bench

Best score per model · Higher is better

#5 of 49

  1. 84.7%
    GPT-5.5Similar price
  2. 81.8%
    GPT-5.4Similar price
  3. 80.2%
    Claude Opus 4.7Similar price
  4. 80.2%
  5. 79.8%
    Claude Opus 4.6
  6. 78.4%
    GPT-5.3-CodexNearby rank
  7. 69.4%
  8. 63.1%
    Claude Opus 4.5Predecessor
  9. 53.4%
    Claude Sonnet 4.6Similar price

+16.7 pts vs Claude Opus 4.5 (predecessor) · Ahead of 1 of 4 similarly priced models

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

All published scores

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

Arena ratings: Arena (lmarena-ai/leaderboard-dataset), licensed CC BY 4.0. Ratings come from pairwise human votes and are only comparable within one leaderboard; the interval is Arena's 95% confidence interval. Model names are matched to the Vertical Tabs catalog.

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