Grok 4.3

xAI
Grok 4.3 cover image

Cost/1M tokens

input
$1.25
cached
$0.20
output
$2.50
Context
1Mtokens
Released
6mo 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 #95

  1. 1489
    Gemini 3.7 FlashSimilar price
  2. 1457
    GLM 5Similar price
  3. 1448
    Step 5 PreviewSimilar price
  4. 1447
    GPT-5.4 MiniSimilar price
  5. 1443
    Qwen3.6 PlusNearby rank
  6. 1442
    Grok 4.7Nearby rank
  7. 1442
    Grok 4.3
  8. 1441
  9. 1441
    GLM 4.7Nearby rank

Ahead of 0 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #123

  1. 1588
    Gemini 3.7 FlashSimilar price
  2. 1573
    Step 5 PreviewSimilar price
  3. 1435
    GLM 5Similar price
  4. 1398
    GPT-5.4 MiniSimilar price
  5. 1358
    Gemma 4 26B A4BNearby rank
  6. 1358
    Hy3 previewNearby rank
  7. 1357
    Grok 4.3
  8. 1357
    Qwen3.5-27BNearby rank
  9. 1350
    Laguna M.1Nearby rank

Ahead of 0 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #64

  1. 1294
    Gemini 3.7 FlashSimilar price
  2. 1250
    GPT-5.4 MiniSimilar price
  3. 1245
    Step 5 PreviewSimilar price
  4. 1242
    GPT-5.2Nearby rank
  5. 1242
    Gemma 4 26B A4BNearby rank
  6. 1242
    Grok 4.3
  7. 1235
    GPT-6 LunaNearby rank
  8. 1235
  9. 1019
    Nova Pro 1.0Similar price

Ahead of 1 of 4 similarly priced models

Arena Search

Best Arena rating per model · Higher is better

Arena #24

  1. 1205
    Grok 4.5Similar price
  2. 1201
  3. 1194
    Claude Opus 4.8Nearby rank
  4. 1194
    Grok 4.3
  5. 1192
    ERNIE 5.1Nearby rank
  6. 1142
    Sonar ProNearby rank

Ahead of 0 of 1 similarly priced model

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

FrontierMath-Tier-4-v2-Private

Best score per model · Higher is better

#56 of 72

  1. 36.6%
    Gemini 3.7 FlashSimilar price
  2. 29.3%
    GLM 5.2Similar price
  3. 17.1%
  4. 17.1%
    GLM 5.3 FlashNearby rank
  5. 14.6%
    Grok 4.3
  6. 12.2%
    Kimi K2.7 CodeNearby rank
  7. 12.2%
    GPT-5 MiniNearby rank
  8. 9.8%
    GPT-5.4 MiniSimilar price
  9. 4.9%
    InklingSimilar price

Ahead of 2 of 4 similarly priced models

FrontierMath-Tiers-1-3-v2-Private

Best score per model · Higher is better

#60 of 87

  1. 71.6%
    Gemini 3.7 FlashSimilar price
  2. 59.2%
    GLM 5.2Similar price
  3. 51.2%
    GPT-5.4 MiniSimilar price
  4. 44.9%
    GPT-5.4 NanoNearby rank
  5. 44.9%
  6. 42.8%
    Grok 4.3
  7. 38.2%
    Qwen3.6 PlusNearby rank
  8. 36.8%
    GLM 5.1Nearby rank
  9. 33.3%
    InklingSimilar price

Ahead of 1 of 4 similarly priced models

GPQA diamond

Best score per model · Higher is better

#50 of 161

  1. 94.8%
    Gemini 3.7 FlashSimilar price
  2. 89.4%
  3. 89.3%
  4. 88.8%
    Grok 4.3
  5. 88.5%
    Inkling SmallNearby rank
  6. 88.4%
    Qwen3.6 PlusNearby rank
  7. 88.3%
    InklingSimilar price
  8. 87.8%
    GLM 5Similar price
  9. 86.9%
    GPT-5.4 MiniSimilar price

Ahead of 3 of 4 similarly priced models

OTIS Mock AIME 2024-2025

Best score per model · Higher is better

#47 of 158

  1. 97.2%
    Gemini 3.7 FlashSimilar price
  2. 93.3%
    Qwen3.6 PlusNearby rank
  3. 93.3%
    Qwen3.7 PlusNearby rank
  4. 93.3%
    Grok 4.3
  5. 93.3%
    GLM 5.1Nearby rank
  6. 92.2%
  7. 88.9%
    GPT-5.4 MiniSimilar price
  8. 88.9%
    InklingSimilar price
  9. 80.0%
    GLM 5Similar price

Ahead of 3 of 4 similarly priced models

SimpleQA Verified

Best score per model · Higher is better

#63 of 87

  1. 69.2%
    Gemini 3.7 FlashSimilar price
  2. 40.3%
    InklingSimilar price
  3. 34.2%
    GLM 5.2Similar price
  4. 33.7%
    Claude Sonnet 5Nearby rank
  5. 33.6%
  6. 33.2%
    Grok 4.3
  7. 32.2%
    GLM 4.7Nearby rank
  8. 31.1%
    GPT-4.1Nearby rank
  9. 29.4%
    GPT-5.4 MiniSimilar 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.

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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