GPT-5.6 SolvsGPT-5.2
Across 8 shared benchmarks, GPT-5.6 Sol leads overall: GPT-5.6 Sol wins 8, GPT-5.2 wins 0, with 0 ties and an average score difference of +67.52.
GPT-5.6 Sol
OpenAI · 2026-06-26 · Reasoning model
GPT-5.2
OpenAI · 2025-12-11 · Chat model
GPT-5.6 Sol8 wins(100%)(0%)0 winsGPT-5.2
Benchmark scores
Grouped by capability, sorted by largest gap within each. 8 shared benchmarks.
Coding and Software Engineer
GPT-5.6 Sol 3/3| Benchmark | GPT-5.6 Sol | GPT-5.2 | Diff |
|---|---|---|---|
| Text Arena (Coding) | 1,6204 / 35极高强度思考（无工具） | 1,48019 / 35Thinking High (No Tools) | +140.27 |
| WeirdML v2 | 88.762 / 52Thinking High (With Tools) | 49.6037 / 52Normal (With Tools) | +39.16 |
| SWE-Bench Pro - Public | 64.608 / 59极高强度思考（工具） | 55.6029 / 59极高强度思考（工具） | +9 |
Math and Reasoning
GPT-5.6 Sol 2/2| Benchmark | GPT-5.6 Sol | GPT-5.2 | Diff |
|---|---|---|---|
| FrontierMath Tier 4 v2 | 82.932 / 40最高（无工具） | 31.7017 / 40极高强度思考（无工具） | +51.23 |
| FrontierMath v2 | 89.121 / 58最高（无工具） | 67.4017 / 58极高强度思考（无工具） | +21.72 |
General Evaluation
GPT-5.6 Sol 1/1| Benchmark | GPT-5.6 Sol | GPT-5.2 | Diff |
|---|---|---|---|
| GPQA Diamond | 82.83121 / 270Normal (No Tools) | 73.23180 / 270Normal (No Tools) | +9.60 |
General Knowledge
GPT-5.6 Sol 1/1| Benchmark | GPT-5.6 Sol | GPT-5.2 | Diff |
|---|---|---|---|
| HLE | 49.5038 / 188最高（无工具） | 45.5048 / 188Deep Thinking (With Tools + Internet) | +4 |
Writing and Creative Capabilities
GPT-5.6 Sol 1/1| Benchmark | GPT-5.6 Sol | GPT-5.2 | Diff |
|---|---|---|---|
| Creative Writing | 1,9644 / 99Normal (No Tools) | 1,69922 / 99Normal (No Tools) | +265.20 |
Specs
| Field | GPT-5.6 Sol | GPT-5.2 |
|---|---|---|
| Publisher | OpenAI | OpenAI |
| Release date | 2026-06-26 | 2025-12-11 |
| Model type | Reasoning model | Chat model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 1.05M | 400K |
| Max output | 128K | Not available |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | GPT-5.6 Sol | GPT-5.2 |
|---|---|---|
| Text input | $4 / 1M tokens | $1.75 / 1M tokens |
| Text output | $20 / 1M tokens | $14 / 1M tokens |
| Cache read | $0.4 / 1M tokens | $0.175 / 1M tokens |
| Cache write | $5 / 1M tokens | $1.75 / 1M tokens |
Summary
- GPT-5.6 Solleads in:Coding and Software Engineer (3/3), Math and Reasoning (2/2), General Evaluation (1/1), General Knowledge (1/1), Writing and Creative Capabilities (1/1)
On average across the 8 shared benchmarks, GPT-5.6 Sol scores 67.52 higher.
Largest single-benchmark gap: Creative Writing — GPT-5.6 Sol 1,964 vs GPT-5.2 1,699 (+265.20).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.