GPT-4.1 Nano

OpenAI
GPT-4.1 Nano launch post cover

Cost/1M tokens

input
$0.10
cached
$0.03
output
$0.40
Context
1Mtokens
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 #262

  1. 1448
    MiMo-V2.6-FlashSimilar price
  2. 1422
    Claude Haiku 5.5Similar price
  3. 1393
    Step 3.5 FlashSimilar price
  4. 1360
    Nemotron 3 SuperSimilar price
  5. 1326
    Qwen3 30B A3BNearby rank
  6. 1325
    Claude Haiku 3.5Nearby rank
  7. 1322
    GPT-4.1 Nano
  8. 1322
    Llama 4 ScoutNearby rank
  9. 1321
    Molmo 2 8BNearby rank

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 #139

  1. 1248
    MiMo-V2.6-FlashSimilar price
  2. 1160
    Gemma 3 27BSimilar price
  3. 1128
    Llama 4 ScoutSimilar price
  4. 1113
    Molmo 2 8BNearby rank
  5. 1097
  6. 1089
    GPT-4.1 Nano
  7. 1045
    Molmo 72BNearby rank
  8. 1032
  9. 1019
    Nova Lite 1.0Similar 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

#78 of 85

  1. 78.1%
  2. 61.3%
    Claude Haiku 5.5Similar price
  3. 1.3%
  4. 0.0%
    Llama 4 ScoutSimilar price
  5. 0.0%
    Magistral SmallNearby rank
  6. 0.0%
    GPT-4.1 MiniNearby rank
  7. 0.0%
    GPT-4.1 Nano
  8. 0.0%
  9. 0.0%

Ahead of 0 of 4 similarly priced models

FrontierMath-2025-02-28-Private

Best score per model · Higher is better

#50 of 58

  1. 8.3%
    GPT-5 NanoSimilar price
  2. 6.2%
    Qwen3.5-FlashSimilar price
  3. 1.7%
    DeepSeek V3Nearby rank
  4. 1.0%
    Qwen MaxNearby rank
  5. 1.0%
    GPT-4.1 Nano
  6. 0.3%
    Mistral Medium 3Nearby rank
  7. 0.3%
    Claude Haiku 3.5Nearby rank
  8. 0.0%
    Llama 4 ScoutSimilar price

Ahead of 1 of 3 similarly priced models

GPQA diamond

Best score per model · Higher is better

#137 of 161

  1. 89.6%
    Claude Haiku 5.5Similar price
  2. 63.8%
    Qwen3 14BSimilar price
  3. 51.8%
    Llama 4 ScoutSimilar price
  4. 49.1%
  5. 49.0%
  6. 48.9%
    GPT-4.1 Nano
  7. 48.9%
  8. 48.1%
    Qwen-PlusNearby rank
  9. 47.7%
    Gemma 3 27BSimilar price

Ahead of 1 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#129 of 158

  1. 98.9%
    Claude Haiku 5.5Similar price
  2. 66.4%
    Qwen3 14BSimilar price
  3. 32.2%
    Mistral Medium 3Nearby rank
  4. 30.0%
    Magistral SmallNearby rank
  5. 28.9%
    GPT-4.1 Nano
  6. 28.1%
  7. 22.5%
    Gemma 3 27BSimilar price
  8. 7.8%
    Llama 4 ScoutSimilar price

Ahead of 2 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#87 of 87

  1. 42.5%
  2. 23.8%
    Claude Haiku 5.5Similar price
  3. 20.3%
    Qwen3.5-FlashSimilar price
  4. 10.4%
    Gemma 4 31BSimilar price
  5. 8.3%
  6. 6.0%
    GPT-4.1 Nano

Ahead of 0 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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