Grok 4.5 launch post cover

Cost/1M tokens

input
$2.00
cached
$0.30
output
$6.00
Context
500Ktokens
Released
4mo 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

#19 of 28

Arena Text

Best Arena rating per model · Higher is better

Arena #54

  1. 1483
    Kimi K3.1 ProSimilar price
  2. 1478
    Gemini 3.5 FlashSimilar price
  3. 1467
    ERNIE 5.1Nearby rank
  4. 1467
    MiMo-V2.5-ProNearby rank
  5. 1466
    Grok 4.5
  6. 1465
    GLM 5.1Nearby rank
  7. 1464
  8. 1455
    GPT-5.1Similar price
  9. 1442
    Grok 4.3Predecessor
  10. 1427
    Mistral Medium 3.5Similar price

+24 vs Grok 4.3 (predecessor) · Ahead of 2 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #51

  1. 1676
    Qwen3.8 Max (0902)Similar price
  2. 1557
    Claude Opus 4.7Nearby rank
  3. 1555
    Claude Opus 4.8Nearby rank
  4. 1552
    Grok 4.5
  5. 1547
    Claude Opus 4.6Nearby rank
  6. 1541
    Muse Spark 1.1Nearby rank
  7. 1500
    Gemini 3.5 FlashSimilar price
  8. 1417
    GPT-5Similar price
  9. 1357
    Grok 4.3Predecessor
  10. 1263
    Mistral Medium 3.5Similar price

+195 vs Grok 4.3 (predecessor) · Ahead of 3 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #26

  1. 1282
    GPT-5.4Nearby rank
  2. 1281
    Gemini 3.5 FlashSimilar price
  3. 1280
    Grok 4.5
  4. 1280
  5. 1280
    Gemini 3.6 FlashNearby rank
  6. 1263
    Claude Sonnet 5.5Similar price
  7. 1251
    GPT-5.1Similar price
  8. 1242
    Grok 4.3Predecessor
  9. 1199
    Mistral Medium 3.5Similar price

+39 vs Grok 4.3 (predecessor) · Ahead of 3 of 4 similarly priced models

Arena Search

Best Arena rating per model · Higher is better

Arena #16

  1. 1248
    GPT-6.1 SolSimilar price
  2. 1229
    GPT-6 SolSimilar price
  3. 1211
    GPT-6 LunaNearby rank
  4. 1210
    Claude Opus 4.7Nearby rank
  5. 1205
    Grok 4.5
  6. 1201
  7. 1194
    Claude Opus 4.8Nearby rank
  8. 1194
    Grok 4.3Predecessor
  9. 1142
    Sonar ProSimilar price
  10. 1138
    Sonar Reasoning ProSimilar price

+12 vs Grok 4.3 (predecessor) · Ahead of 2 of 4 similarly priced models

Arena Document

Best Arena rating per model · Higher is better

Arena #24

  1. 1480
    Muse Spark 1.1Similar price
  2. 1469
    Claude Sonnet 5Similar price
  3. 1468
    Gemini 3.7 FlashNearby rank
  4. 1467
    Claude Opus 4.5Nearby rank
  5. 1466
    Grok 4.5
  6. 1460
    GPT-5.6 LunaNearby rank
  7. 1460
    GPT-5.5 InstantNearby rank
  8. 1459
    Gemini 3.5 FlashSimilar price
  9. 1416
    GPT-5.1Similar price

Ahead of 1 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

#42 of 85

  1. 83.9%
    Claude Sonnet 5.5Similar price
  2. 72.1%
    Gemini 3.5 FlashSimilar price
  3. 65.1%
    Grok 4.20Earlier version
  4. 60.4%
    Kimi K3Similar price
  5. 54.2%
    GPT-5.2 ProNearby rank
  6. 52.9%
    GPT-5.2Nearby rank
  7. 52.6%
    Grok 4.5
  8. 42.4%
    Qwen3.8 27BNearby rank
  9. 40.1%
    Inkling SmallNearby rank
  10. 17.6%
    GPT-5.1Similar price

-12.5 pts vs Grok 4.20 (earlier version) · Ahead of 1 of 4 similarly priced models

FrontierMath-Tier-4-v2-Private

Best score per model · Higher is better

#45 of 72

  1. 80.5%
    Claude Sonnet 5.5Similar price
  2. 34.1%
    Qwen3.8 Max (0902)Similar price
  3. 26.8%
    Gemini 3.5 FlashSimilar price
  4. 25.6%
    Kimi K2.6Nearby rank
  5. 24.4%
  6. 24.4%
    Grok 4.5
  7. 22.0%
    Gemini 3.6 FlashNearby rank
  8. 22.0%
    Gemini 3.8 FlashNearby rank
  9. 22.0%
    GPT-5Similar price
  10. 14.6%
    Grok 4.3Predecessor

+9.8 pts vs Grok 4.3 (predecessor) · Ahead of 1 of 4 similarly priced models

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#46 of 87

  1. 88.8%
    Claude Sonnet 5.5Similar price
  2. 65.6%
    Qwen3.8 Max (0902)Similar price
  3. 62.8%
    Gemini 3.5 FlashSimilar price
  4. 57.5%
  5. 57.2%
    Kimi K2.6Nearby rank
  6. 57.2%
    Grok 4.5
  7. 55.8%
    GPT-5 ProNearby rank
  8. 55.8%
    GLM 5.3 FlashNearby rank
  9. 55.4%
    GPT-5Similar price
  10. 42.8%
    Grok 4.3Predecessor

+14.4 pts vs Grok 4.3 (predecessor) · Ahead of 1 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#17 of 161

  1. 93.9%
    Claude Opus 5Nearby rank
  2. 93.5%
    GPT-5.6 SolNearby rank
  3. 93.4%
    Grok 4.5
  4. 93.3%
    GPT-5.6 TerraNearby rank
  5. 93.3%
    GPT-5.4Nearby rank
  6. 92.8%
    Gemini 3.5 FlashSimilar price
  7. 92.3%
    Qwen3.8 Max (0902)Similar price
  8. 88.8%
    Grok 4.3Predecessor
  9. 87.6%
    GPT-5.1Similar price
  10. 49.0%
    Mistral Large 2407Similar price

+4.6 pts vs Grok 4.3 (predecessor) · Ahead of 4 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#30 of 158

  1. 100.0%
    Qwen3.8 Max (0902)Similar price
  2. 97.8%
    Claude Opus 4.7Nearby rank
  3. 97.8%
    GPT-5.4Nearby rank
  4. 97.8%
    Grok 4.5
  5. 97.2%
    Gemini 3.7 FlashNearby rank
  6. 97.2%
    Kimi K3Nearby rank
  7. 95.6%
    Gemini 3.5 FlashSimilar price
  8. 93.3%
    Grok 4.3Predecessor
  9. 91.4%
    GPT-5Similar price
  10. 8.5%
    Mistral Large 2407Similar price

+4.4 pts vs Grok 4.3 (predecessor) · Ahead of 3 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#34 of 87

  1. 66.2%
    Gemini 3.5 FlashSimilar price
  2. 50.1%
    GPT-5Similar price
  3. 49.3%
    Grok 4.6Nearby rank
  4. 48.7%
    Qwen3 MaxNearby rank
  5. 48.3%
    Grok 4.5
  6. 48.0%
    GPT-5.1Nearby rank
  7. 47.3%
    Qwen3.8 Max (0902)Similar price
  8. 46.5%
    Claude Sonnet 5.5Similar price
  9. 33.2%
    Grok 4.3Predecessor

+15.1 pts vs Grok 4.3 (predecessor) · Ahead of 2 of 4 similarly priced models

DeepSWE 1.1

Primary coding-agent benchmark · 113 tasks · Data generated 2026-09-22

Official leaderboard
53.8%
pass@1 · highest published configuration
mini-swe-agent · high reasoning
pass@4
77.9%
Average cost / attempt
$2.42
Benchmark runs
4

pass@1 is the success rate across scored attempts; pass@4 is the share of tasks solved in at least one of four attempts. Costs are reported by DeepSWE for each configuration. These results are not directly comparable to evaluations using different harnesses. Official source JSON.

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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