Grok 4.7
Grok 4.7 is an API-only (closed weights) language model from xAI, released September 21, 2026. Its makers disclosed about 2.1T parameters. The context window is 488K tokens. On the Epoch Capabilities Index it scores 156.2, rank 38 of 256 rated models. API price: $2 input / $6 output per million tokens.
Grok 4.7 is our most capable model for coding and knowledge work. It works longer on difficult tasks, checks its own work more carefully, and comes with our best-calibrated safeguards to date. Served at the same price and speed as Grok 4.6, it is highly competitive in its class.
Check it against your own PC →
Strengths by category
ModelTape's 0–100 fit on Epoch AI benchmark results.
| Category | Score | Based on |
|---|---|---|
| Reasoning | 20.4 | Chess Puzzles, Mystery Game Puzzles |
| Math | 42.7 | ProofBench, OTIS Mock AIME 2024-2025, FrontierMath-Tiers-1-3-v2-Private, FrontierMath-Tier-4-v2-Private |
| Coding | 62.2 | MirrorCode, FrontierSWE |
| Knowledge | 78.6 | GPQA diamond, SimpleQA Verified |
Benchmark results
| Benchmark (Epoch AI) | Score |
|---|---|
| OTIS Mock AIME | 98.1% |
| GPQA Diamond | 94.1% |
| SimpleQA Verified | 56.0% |
| FrontierMath (Tiers 1–3) | 55.8% |
| MirrorCode | 54.4% |
| Chess Puzzles | 37.9% |
| FrontierSWE | 29.5% |
| ProofBench | 26.0% |
| Mystery Game Puzzles | 21.8% |
| FrontierMath-Tier-4-v2-Private | 17.1% |
| Furniture Assembly | 0.0% |
Links
Announcement · Epoch AI benchmarks
Models with a similar score
GPT-5.5 · Claude Opus 4.8 · DeepSeek V4.1 Flash 1017 · Gemini 3.8 Flash · Kimi K3 · Gemini 3.7 Flash · Muse Spark 1.3 · GPT-5.4
More from xAI
Grok 4.6 · Grok 4.5 · Grok 4.3 Beta · Grok Build 0.1 · Grok 4.20 Multi-Agent · Grok 4.20 · Grok 4.1 Fast · Grok 4.1