Grok 4.3
| Released | 2026-04-17 |
|---|---|
| Price per 1M | $1.25 in · $2.50 out |
| Overall score | 52.6 · rank 95 |
| Context window | 1,000,000 tokens |
| Provider | xAI |
| Weights | Proprietary |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 52.6 | 95 | 27 |
| Overall: Coding | 52.2 | 90 | 14 |
| Overall: Reasoning | 54.5 | 82 | 11 |
| Overall: Agentic work | 52.1 | 99 | 12 |
| Overall: Frontend | 48.7 | 104 | 8 |
| Coding | 54.2 | 85 | 4 |
| Agents | 50.3 | 104 | 4 |
| Reasoning | 56.0 | 77 | 4 |
| Math | 54.9 | 70 | 4 |
| Knowledge | 50.4 | 90 | 3 |
| Frontend | 45.0 | 93 | 2 |
| General | 50.7 | 99 | 4 |
| Multimodal | 54.9 | 51 | 2 |
| Value vs price | +3.5 | 92 |
Configurations
| Configuration | Balanced | Benchmarks |
|---|---|---|
| Unspecified setting | 47.5 ±4.7 | 11 |
| High | 53.0 ±1.7 | 18 |
| Non-reasoning | 40.8 ±7.5 | 1 |
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 50.3 ±3.8
| 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 |
| Vending-Bench 2 | $35 | Epoch AI | 2026-11-11 |
Reasoning 56.0 ±2.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 55.2% | Lech Mazur | 2026-11-10 |
| CritPt | 8.0% | Epoch AI | 2026-11-11 |
| GPQA Diamond | 88.8% | Epoch AI | 2026-06-17 |
| GPQA Diamond (Vals run) | 91.4% | Vals AI | 2026-09-01 |
| 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 45.0 ±0.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 19.4% | Vals AI | 2026-11-09 |
| LMArena WebDev | 1,357 | LMArena | 2026-11-09 |
General 50.7 ±2.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LLM Debate Benchmark | 1,363 | Lech Mazur | 2026-10-26 |
| EQ-Bench 4 | 1,065 | EQ-Bench | 2026-10-24 |
| LMArena Text | 1,442 | LMArena | 2026-11-09 |
| Creative Story-Writing (Lech Mazur) | 4.0% | Lech Mazur | 2026-10-23 |
Multimodal 54.9 ±2.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| MMMU-Pro (Vals run) | 83.1% | Vals AI | 2026-09-01 |
| LMArena Vision | 1,242 | LMArena | 2026-11-09 |
Results not used in the score
| Benchmark | Result | Source | Why not used |
|---|---|---|---|
| CritPt | 0.0% | Epoch AI | A stronger configuration result was used |
| CritPt | 0.0% | Epoch AI | A stronger configuration result was used |
Names matched to this model
grok-4-3