DeepSeek V4.1 Flash 1017

DeepSeek
DeepSeek V4.1 Flash 1017 launch post cover

Cost/1M tokens

input
$0.15
cached
$0.003
output
$0.60
Context
1Mtokens
Listed
3w ago
Size
763Bparameters

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

Not ranked on Arena Text yet

Arena WebDev

Best Arena rating per model · Higher is better

Arena #17

  1. 1673
    GPT-6 SolNearby rank
  2. 1670
    Qwen3.8 MaxNearby rank
  3. 1664
    DeepSeek V4.1 Flash 1017
  4. 1658
    Kimi K3Nearby rank
  5. 1655
    Muse Spark 1.3Nearby rank
  6. 1609
    Muse EmberSimilar price
  7. 1370
    Gemma 4 31BSimilar price
  8. 1369
    Solar Pro 4Similar price
  9. 1362
    DeepSeek V3.2Predecessor
  10. 1358
    Hy3 previewSimilar price

+301 vs DeepSeek V3.2 (predecessor) · Ahead of 4 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Not ranked on Arena Vision yet

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Agent Arena

Best IPS score per model · Higher is better

Arena #22

  1. +0.023
    Gemini 3.8 FlashNearby rank
  2. +0.022
    Muse Spark 1.3Nearby rank
  3. +0.020
    DeepSeek V4.1 Flash 1017
  4. +0.020
    Claude Sonnet 5Nearby rank
  5. +0.018
    Muse WonderNearby rank
  6. +0.017
    Muse EmberSimilar price
  7. +0.016
    GPT-6 LunaSimilar price
  8. +0.005
    Claude Haiku 5.5Similar price
  9. -0.226
    Solar Pro 4Similar price

Ahead of 1 of 4 similarly priced models

ARC-AGI-2

Best score per model · Higher is better

#20 of 85

  1. 83.3%
    GPT-5.4 ProNearby rank
  2. 81.7%
    Inkling 2 SmallNearby rank
  3. 78.1%
    DeepSeek V4.1 Flash 1017
  4. 77.1%
  5. 75.8%
    Claude Opus 4.7Nearby rank
  6. 61.3%
    Claude Haiku 5.5Similar price
  7. 4.0%
    DeepSeek V3.2Predecessor
  8. 1.3%
  9. 0.0%
    Llama 4 ScoutSimilar price
  10. 0.0%

+74.0 pts vs DeepSeek V3.2 (predecessor) · Ahead of 4 of 4 similarly priced models

FrontierMath-Tier-4-v2-Private

Best score per model · Higher is better

#23 of 72

  1. 61.0%
    GPT-5.6 LunaSimilar price
  2. 56.1%
    GPT-6 LunaSimilar price
  3. 46.3%
    Qwen3.8 MaxNearby rank
  4. 46.3%
    Claude Haiku 5.5Similar price
  5. 46.3%
    DeepSeek V4.1 Flash 1017
  6. 46.3%
    Muse Spark 1.3Nearby rank
  7. 46.0%
    GPT-5.2 ProNearby rank
  8. 29.3%
    GLM 5.3Similar price

Ahead of 1 of 4 similarly priced models

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#28 of 87

  1. 75.1%
    Claude Haiku 5.5Similar price
  2. 72.2%
    Kimi K3Nearby rank
  3. 71.6%
    Gemini 3.7 FlashNearby rank
  4. 71.2%
    DeepSeek V4.1 Flash 1017
  5. 70.2%
    Claude Opus 4.7Nearby rank
  6. 68.8%
    GLM 5.3Similar price
  7. 20.4%
    Qwen3.6 35B A3BSimilar price
  8. 0.7%

Ahead of 3 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#20 of 161

  1. 93.3%
    GPT-5.6 TerraNearby rank
  2. 93.3%
    GPT-5.4Nearby rank
  3. 93.2%
    DeepSeek V4.1 Flash 1017
  4. 93.1%
    Kimi K3Nearby rank
  5. 92.8%
    Gemini 3.5 FlashNearby rank
  6. 89.6%
    Claude Haiku 5.5Similar price
  7. 84.8%
    Qwen3.6 35B A3BSimilar price
  8. 75.8%
    Gemma 4 31BSimilar price
  9. 75.8%
    gpt-oss-120bSimilar price

Ahead of 4 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#15 of 158

  1. 99.7%
    GPT-5.6 TerraNearby rank
  2. 99.4%
    Qwen3.8 MaxNearby rank
  3. 99.4%
    DeepSeek V4.1 Flash 1017
  4. 99.2%
    Muse Spark 1.3Nearby rank
  5. 99.2%
    Grok 4.6Nearby rank
  6. 98.9%
    Claude Haiku 5.5Similar price
  7. 88.9%
    gpt-oss-120bSimilar price
  8. 86.7%
    Qwen3.6 35B A3BSimilar price
  9. 73.3%
    Gemma 4 31BSimilar price

Ahead of 4 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#48 of 87

  1. 43.2%
    GPT-5.6 TerraNearby rank
  2. 42.9%
  3. 42.5%
    DeepSeek V4.1 Flash 1017
  4. 41.4%
    GPT-6 LunaNearby rank
  5. 41.0%
    GPT-5.6 LunaNearby rank
  6. 41.0%
    GLM 5.3Similar price
  7. 23.8%
    Claude Haiku 5.5Similar price
  8. 10.4%
    Gemma 4 31BSimilar price
  9. 8.3%

Ahead of 4 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

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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