Grok 4.5vsGPT-5.6 Sol
Across 14 shared benchmarks, GPT-5.6 Sol leads overall: Grok 4.5 wins 2, GPT-5.6 Sol wins 12, with 0 ties and an average score difference of -38.02.
Grok 4.5
xAI · 2026-07-08 · Coding model
GPT-5.6 Sol
OpenAI · 2026-06-26 · Reasoning model
Grok 4.52 wins(14%)(86%)12 winsGPT-5.6 Sol
Benchmark scores
Grouped by capability, sorted by largest gap within each. 14 shared benchmarks.
Coding and Software Engineer
GPT-5.6 Sol 3/4| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| DeepSWE | 5318 / 27Thinking High (With Tools) | 72.701 / 27极高强度思考（工具） | -19.70 |
| FrontierCode 1.1 | 56.604 / 5Thinking High (With Tools) | 60.603 / 5Max (With Tools) | -4 |
| CursorBench 3.2 | 66.704 / 4Thinking High (With Tools) | 67.203 / 4Max (With Tools) | -0.50 |
| SWE-Bench Pro - Public | 64.706 / 57Thinking High (With Tools) | 64.607 / 57极高强度思考（工具） | +0.10 |
Productivity Knowledge
GPT-5.6 Sol 2/3| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| GDPval-AA v2 | 1,5267 / 13Thinking High (With Tools) | 1,7285 / 13Max (With Tools) | -202 |
| AA-Briefcase | 1,3136 / 6Thinking High (With Tools) | 1,5025 / 6Max (With Tools) | -189 |
| Harvey Lab-AA | 12.904 / 6Thinking High (With Tools) | 2.506 / 6Max (With Tools) | +10.40 |
AI Agent - Tool Usage
GPT-5.6 Sol 2/2| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| Terminal-Bench 3.0 | 15.705 / 6Thinking High (With Tools) | 34.601 / 6Max (With Tools) | -18.90 |
| Terminal-Bench 2.1 | 83.3014 / 44Thinking High (With Tools) | 88.801 / 44最高（无工具） | -5.50 |
Math and Reasoning
GPT-5.6 Sol 2/2| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| FrontierMath Tier 4 v2 | 24.3920 / 34Thinking High (No Tools) | 82.932 / 34最高（无工具） | -58.54 |
| FrontierMath v2 | 57.1921 / 34Thinking High (No Tools) | 89.121 / 34最高（无工具） | -31.93 |
Agent Level Benchmark
GPT-5.6 Sol 1/1| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| APEX-Agents | 47.104 / 5Thinking High (With Tools) | 56.703 / 5Max (With Tools) | -9.60 |
General Evaluation
GPT-5.6 Sol 1/1| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| GPQA Diamond | 93.4315 / 226Thinking High (No Tools) | 93.5014 / 226最高（无工具） | -0.06 |
General Knowledge
GPT-5.6 Sol 1/1| Benchmark | Grok 4.5 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| AA Intelligence Index | 564 / 8Thinking High (With Tools) | 593 / 8最高（无工具） | -3 |
Specs
| Field | Grok 4.5 | GPT-5.6 Sol |
|---|---|---|
| Publisher | xAI | OpenAI |
| Release date | 2026-07-08 | 2026-06-26 |
| Model type | Coding model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 500K | 1.05M |
| Max output | Not available | 128K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Grok 4.5 | GPT-5.6 Sol |
|---|---|---|
| Text input | $2 / 1M tokens | $5 / 1M tokens |
| Text output | $6 / 1M tokens | $30 / 1M tokens |
| Cache read | $0.5 / 1M tokens | $0.5 / 1M tokens |
| Cache write | Not public | $6.25 / 1M tokens |
Summary
- GPT-5.6 Solleads in:Coding and Software Engineer (3/4), Productivity Knowledge (2/3), AI Agent - Tool Usage (2/2), Math and Reasoning (2/2), Agent Level Benchmark (1/1), General Evaluation (1/1), General Knowledge (1/1)
On average across the 14 shared benchmarks, GPT-5.6 Sol scores 38.02 higher.
Largest single-benchmark gap: GDPval-AA v2 — Grok 4.5 1,526 vs GPT-5.6 Sol 1,728 (-202).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.