Grok 4.3
- Context
- 1M
- 30K max output
- Input price
- $1.25
- per 1M tokens · xAI API
- Output price
- $2.50
- per 1M tokens
- Epoch Capabilities Index
- —
- Not listed
- LMArena Text
- 1,442
- #49 of 79 listed
Where to run it
1 offering · prices as listed| Meter | Tier | Price |
|---|---|---|
| Input | Standard | $1.25 / 1M tokens |
| Prompts over 200K tokens | $2.50 / 1M tokens | |
| Output | Standard | $2.50 / 1M tokens |
| Prompts over 200K tokens | $5.00 / 1M tokens | |
| Cache read | Standard | $0.20 / 1M tokens |
| Prompts over 200K tokens | $0.40 / 1M tokens | |
Cited scores
From third-party leaderboards, not measured by us- LMArena Text 1,442
#49 of 79 listed models · CI 1,438–1,445 · 71,054 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- Epoch AI · FrontierMath Tiers 1–3 42.8%
#42 of 56 listed models · high effort · ±2.94
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- Epoch AI · GPQA Diamond 88.8%
#33 of 64 listed models · high effort · ±1.96
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text · Chinese 1,478
#50 of 79 listed models · CI 1,468–1,487 · 4,531 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Coding 1,488
#52 of 79 listed models · CI 1,482–1,494 · 19,949 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Vision 1,230
#40 of 49 listed models · CI 1,223–1,236 · 22,688 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 13, 2026 · changes we made