Grok 4.3 High
| Released | 2026-04-17 |
|---|---|
| Price per 1M | $1.25 in · $2.50 out |
| Overall score | 53.0 · rank 225 |
| Context window | 1,000,000 tokens |
| Provider | xAI |
| Weights | Proprietary |
| Configuration | High |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 53.0 | 225 | 18 |
| Overall: Coding | 52.5 | 225 | 11 |
| Overall: Reasoning | 54.4 | 200 | 10 |
| Overall: Agentic work | 53.0 | 232 | 10 |
| Overall: Frontend | 48.2 | 243 | 5 |
| Coding | 54.2 | 195 | 4 |
| Agents | 51.9 | 185 | 3 |
| Reasoning | 55.8 | 191 | 3 |
| Math | 54.9 | 121 | 4 |
| Knowledge | 50.4 | 126 | 3 |
| Frontend | 45.3 | 149 | 1 |
| Value vs price | +1.6 | 201 |
Evidence
Coding 54.2 ±2.5
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SWE-bench Verified (Vals run) | 71.4% | Vals AI | 2026-09-01 |
| SciCode | 48.3% | Epoch AI | 2026-11-11 |
| LiveCodeBench (Vals run) | 84.5% | Vals AI | 2026-09-01 |
| ProgramBench | 0.0% | Vals AI | 2026-11-09 |
Agents 51.9 ±3.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Terminal-Bench 2.1 (Vals run) | 41.9% | Vals AI | 2026-10-01 |
| Tax Agent Bench | 6.2% | Vals AI | 2026-11-09 |
| SkillsBench | 40.6% | Vals AI | 2026-10-29 |
Reasoning 55.8 ±4.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| GPQA Diamond | 88.8% | Epoch AI | 2026-06-17 |
| CritPt | 8.0% | Epoch AI | 2026-11-11 |
| Chess Puzzles | 18.0% | Epoch AI | 2026-10-13 |
Math 54.9 ±1.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierMath Tiers 1-3 | 42.8% | Epoch AI | 2026-06-17 |
| FrontierMath Tier 4 | 14.6% | Epoch AI | 2026-06-17 |
| ProofBench | 11.0% | Epoch AI | 2026-11-11 |
| OTIS Mock AIME 2024-2025 | 93.3% | Epoch AI | 2026-06-17 |
Knowledge 50.4 ±3.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SimpleQA Verified | 33.2% | Epoch AI | 2026-08-27 |
| MMLU-Pro (Vals run) | 85.8% | Vals AI | 2026-09-01 |
| Legal Research Bench | 15.4% | Vals AI | 2026-11-09 |
Frontend 45.3 ±0.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 19.4% | Vals AI | 2026-11-09 |
Names matched to this model
grok-4-3-high