o3 launch post cover

Cost/1M tokens

input
$2.00
cached
$0.50
output
$8.00
Context
200Ktokens
Released
1y 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 #114

  1. 1472
    Claude Sonnet 5.5Similar price
  2. 1466
    Grok 4.5Similar price
  3. 1446
    Gemini 2.5 ProSimilar price
  4. 1433
    Qwen3.8 27BNearby rank
  5. 1433
  6. 1432
    o3
  7. 1431
  8. 1430
    MiMo-V2-OmniNearby rank
  9. 1427
    Mistral Medium 3.5Similar price

Ahead of 0 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Not ranked on Arena WebDev yet

Arena Vision

Best Arena rating per model · Higher is better

Arena #82

  1. 1280
    Grok 4.5Similar price
  2. 1263
    Claude Sonnet 5.5Similar price
  3. 1247
    Gemini 2.5 ProSimilar price
  4. 1216
    MiMo-V2-OmniNearby rank
  5. 1216
    Qwen3.5-27BNearby rank
  6. 1216
    o3
  7. 1215
    Gemini 2.5 FlashNearby rank
  8. 1214
  9. 1199
    Mistral Medium 3.5Similar price

Ahead of 1 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

Not ranked on Arena Document yet

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

#59 of 85

  1. 83.9%
    Claude Sonnet 5.5Similar price
  2. 67.1%
    Grok 4.6Similar price
  3. 60.4%
    Kimi K3Similar price
  4. 9.9%
    GPT-5Nearby rank
  5. 8.6%
    Claude Opus 4Nearby rank
  6. 6.5%
    o3
  7. 5.9%
    Claude Sonnet 4Nearby rank
  8. 5.7%
    GPT-5.4 NanoNearby rank
  9. 4.9%
    Gemini 2.5 ProSimilar price

Ahead of 1 of 4 similarly priced models

FrontierMath-2025-02-28-Private

Best score per model · Higher is better

#26 of 58

  1. 33.4%
    GLM 5.1Similar price
  2. 32.4%
    Claude Sonnet 4.6Similar price
  3. 21.0%
    Qwen3.5 PlusNearby rank
  4. 20.7%
    Claude Opus 4.5Nearby rank
  5. 18.7%
    o3
  6. 16.4%
    GLM 5Nearby rank
  7. 15.2%
  8. 14.1%
    Gemini 2.5 ProSimilar price
  9. 10.3%

Ahead of 2 of 4 similarly priced models

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

Best score per model · Higher is better

#32 of 46

  1. 12.5%
    GLM 5.1Similar price
  2. 8.3%
    Claude Sonnet 4.6Similar price
  3. 4.2%
    Gemini 2.5 ProSimilar price
  4. 2.1%
  5. 2.1%
    GPT-5 NanoNearby rank
  6. 2.1%
    o3
  7. 2.1%
    GPT-5.4 MiniNearby rank
  8. 0.0%

Ahead of 0 of 4 similarly priced models

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#67 of 87

  1. 88.8%
    Claude Sonnet 5.5Similar price
  2. 66.0%
    Grok 4.6Similar price
  3. 65.6%
    Qwen3.8 Max (0902)Similar price
  4. 34.4%
    Claude Opus 4.5Nearby rank
  5. 34.4%
    Qwen3.7 PlusNearby rank
  6. 33.3%
    o3
  7. 33.3%
    InklingNearby rank
  8. 31.2%
  9. 24.6%
    Gemini 2.5 ProSimilar price

Ahead of 1 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#85 of 161

  1. 95.6%
    Claude Sonnet 5.5Similar price
  2. 94.0%
    Grok 4.6Similar price
  3. 92.3%
    Qwen3.8 Max (0902)Similar price
  4. 85.3%
    Gemini 2.5 ProSimilar price
  5. 82.3%
    Qwen3.7 FlashNearby rank
  6. 81.8%
  7. 81.8%
    o3
  8. 80.1%
  9. 79.7%

Ahead of 0 of 4 similarly priced models

Humanity's Last Exam

Best score per model · Higher is better

#18 of 34

  1. 46.4%
  2. 46.1%
    Claude Sonnet 5.5Similar price
  3. 23.7%
    GPT-5.1Nearby rank
  4. 21.6%
  5. 20.3%
    o3
  6. 19.4%
    GPT-5 MiniNearby rank
  7. 14.2%
    Claude Opus 4.5Nearby rank
  8. 7.5%
    Claude Sonnet 4.5Similar price

Ahead of 1 of 4 similarly priced models

OSWorld

Best score per model · Higher is better

#9 of 10

  1. 72.1%
    Claude Sonnet 4.6Similar price
  2. 62.9%
    Claude Sonnet 4.5Similar price
  3. 43.9%
    Claude Sonnet 4Nearby rank
  4. 35.8%
  5. 23.0%
    o3
  6. 5.0%

Ahead of 0 of 2 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#77 of 158

  1. 100.0%
    Claude Sonnet 5.5Similar price
  2. 100.0%
    Qwen3.8 Max (0902)Similar price
  3. 99.2%
    Grok 4.6Similar price
  4. 84.7%
    Gemini 2.5 ProSimilar price
  5. 84.4%
    GPT-5.5Nearby rank
  6. 84.4%
    o3
  7. 84.4%
    Qwen3.5-FlashNearby rank
  8. 84.4%
    Qwen3.6 FlashNearby rank

Ahead of 0 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#31 of 87

  1. 66.2%
    Gemini 3.5 FlashSimilar price
  2. 56.0%
    Grok 4.7Similar price
  3. 50.6%
    Kimi K3Nearby rank
  4. 50.1%
    GPT-5Nearby rank
  5. 49.4%
    o3
  6. 49.3%
    Grok 4.6Nearby rank
  7. 48.7%
    Qwen3 MaxNearby rank
  8. 47.3%
    Qwen3.8 Max (0902)Similar price
  9. 46.5%
    Claude Sonnet 5.5Similar price

Ahead of 2 of 4 similarly priced models

SWE-bench Verified

Best score per model · Higher is better

#30 of 35

  1. 77.3%
    Qwen3.7 MaxSimilar price
  2. 75.2%
    Claude Sonnet 4.6Similar price
  3. 74.2%
    GLM 5.1Similar price
  4. 65.9%
    GPT-5.1Nearby rank
  5. 64.7%
    GPT-5 MiniNearby rank
  6. 62.3%
    o3
  7. 61.0%
  8. 57.9%
    Qwen3.6 PlusNearby rank
  9. 57.6%
    Gemini 2.5 ProSimilar price

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.

Reasoning effort

ARC-AGI-2

Score by reasoning effort · Higher is better

FrontierMath-2025-02-28-Private

Score by reasoning effort · Higher is better

FrontierMath-Tiers-1-3-v2-Private

Score by reasoning effort · Higher is better

GPQA diamond

Score by reasoning effort · Higher is better

Humanity's Last Exam

Score by reasoning effort · Higher is better

OTIS Mock AIME 2024-2025

Score by reasoning effort · Higher is better

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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