GPT-5.5 vs GPT-6 Astra
GPT-6 Astra wins 4 of 6 jobs. 1 is too close to call.
Score by job
Scores run from 0 to 100 within each job. A gap under 3 points is too close to call. ~ marks an early read from too few benchmarks to rank. How scores work
At a glance
| Detail | GPT-5.5 | GPT-6 Astra |
|---|---|---|
| Maker | OpenAI | OpenAI |
| Released | Apr 23, 2026 | Sep 3, 2026 |
| Weights | Closed | Closed |
| Price per 1M tokens | $5 in · $30 out | $10 in · $50 out |
| Overall rank | #9 | #3 |