GPT-5.5 vs Kimi K3
GPT-5.5 wins 2 of 5 shared jobs. 2 are 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 | Kimi K3 |
|---|---|---|
| Maker | OpenAI | Moonshot |
| Released | Apr 23, 2026 | Jul 16, 2026 |
| Weights | Closed | Open |
| Price per 1M tokens | $5 in · $30 out | $3 in · $15 out |
| Overall rank | #9 | #8 |