Kimi K3.1 Pro vs Particle-1
Specs, per-token pricing and benchmark scores from our benchmark database.
Specs & pricing
| Kimi K3.1 Pro | Particle-1 | |
|---|---|---|
| Company | Moonshot AI | Particle Ai |
| Released | Oct 2026 | Oct 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $2 | $0.25 |
| Output /1M tokens | $10 | $1 |
| Open weights | No | No |
Benchmarks
| Benchmark | Kimi K3.1 Pro | Particle-1 |
|---|---|---|
| AA Intelligence Index | 46.0% | n/a |
| Hallucination Rate (lower is better) | 43.9% | n/a |
| Speed (tok/s) | 38 tok/s | n/a |
Scores come from independent evaluators and developers' own announcements; each one links to its source on the benchmarks page. Pricing via vendor pages and OpenRouter.