GPT-6 SolvsGPT-6 Astra
Across 3 shared benchmarks, GPT-6 Astra leads overall: GPT-6 Sol wins 0, GPT-6 Astra wins 3, with 0 ties and an average score difference of -5.03.
GPT-6 Sol
OpenAI · 2026-09-22 · Reasoning model
GPT-6 Astra
OpenAI · 2026-09-03 · Reasoning model
GPT-6 Sol0 wins(0%)(100%)3 winsGPT-6 Astra
Benchmark scores
Grouped by capability, sorted by largest gap within each. 3 shared benchmarks.
Agent Level Benchmark
GPT-6 Astra 1/1| Benchmark | GPT-6 Sol | GPT-6 Astra | Diff |
|---|---|---|---|
| Agents' Last Exam | 56.402 / 24Max (With Tools) | 59.301 / 24Max (With Tools) | -2.90 |
AI Agent - Tool Usage
GPT-6 Astra 1/1| Benchmark | GPT-6 Sol | GPT-6 Astra | Diff |
|---|---|---|---|
| OSWorld 2.0 | 64.407 / 13Max (With Tools) | 72.603 / 13Max (With Tools) | -8.20 |
Coding and Software Engineer
GPT-6 Astra 1/1| Benchmark | GPT-6 Sol | GPT-6 Astra | Diff |
|---|---|---|---|
| FrontierCode 1.1 Main | 49.307 / 9Max (With Tools) | 53.304 / 9Max (With Tools) | -4 |
Specs
| Field | GPT-6 Sol | GPT-6 Astra |
|---|---|---|
| Publisher | OpenAI | OpenAI |
| Release date | 2026-09-22 | 2026-09-03 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 1.05M | 1.05M |
| Max output | 128K | 128K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | GPT-6 Sol | GPT-6 Astra |
|---|---|---|
| Text input | $2 / 1M tokens | $10 / 1M tokens |
| Text output | $10 / 1M tokens | $50 / 1M tokens |
| Cache read | $0.2 / 1M tokens | $1 / 1M tokens |
| Cache write | $2.5 / 1M tokens | $12.5 / 1M tokens |
Summary
- GPT-6 Astraleads in:Agent Level Benchmark (1/1), AI Agent - Tool Usage (1/1), Coding and Software Engineer (1/1)
On average across the 3 shared benchmarks, GPT-6 Astra scores 5.03 higher.
Largest single-benchmark gap: OSWorld 2.0 — GPT-6 Sol 64.40 vs GPT-6 Astra 72.60 (-8.20).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.