Grok 4.3
- In Input modalities: TextImage Out Output modalities: Text
- Reasoning· none, low, medium, high, xhigh
- Reasoning can be off
- Tool use
- Structured output
Prices
1 offering · prices as listedgrok-4.3| Conditions/ 1M tokens | Input | Cache read | Output |
|---|---|---|---|
| Standard | $1.25 | $0.20 | $2.50 |
| Prompts over 200K tokens | $2.50 | $0.40 | $5.00 |
Prices from xAI models and pricing (opens in a new tab) (checked Nov 8, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Open weights
- —
- Family
- grok
- Aliases
- grok-4.3-latest
- Model ID
Not stated on xAI’s pages: max input, max thinking budget, built-in tools, knowledge cutoff.
Cited scores
From third-party leaderboards, not measured by us- LMArena Text 1,442
#59 of 163 listed models · CI 1,438–1,446 · 70,237 votes
- Epoch AI · Chess Puzzles 18%
#68 of 85 listed models · high effort · ±3.86
- Epoch AI · FrontierMath Tier 4 v2 14.6%
#52 of 65 listed models · high effort · ±5.59
- Epoch AI · FrontierMath Tiers 1–3 42.8%
#57 of 84 listed models · high effort · ±2.94
- LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
- Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
- EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 24, 2026
- LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
- changes we made
Changes
All changes →No changes recorded yet.
Sources
- xAI models and pricing (opens in a new tab) docs.x.ai · checked Nov 8, 2026
- Grok 4.3 (opens in a new tab) docs.x.ai · checked Nov 8, 2026
- models.dev: grok-4.3 (community data, MIT) (opens in a new tab) github.com · checked Sep 30, 2026
- Grok 4.3 (opens in a new tab) docs.x.ai · checked Nov 9, 2026
xAI’s official policies: data use, privacy, terms →
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