Kimi K3 vs Muse Spark 1.1
Muse Spark 1.1 leads on 2 of 3 benchmarks where both are measured. Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| Kimi K3 | Muse Spark 1.1 | |
|---|---|---|
| Company | Moonshot AI | Meta AI |
| Released | Jul 2026 | Jul 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $3 | $1.25 |
| Output /1M tokens | $15 | $4.25 |
| Open weights | No | No |
Benchmarks
| Benchmark | Kimi K3 | Muse Spark 1.1 |
|---|---|---|
| Arena Elo | 1486 Elo | 1495 Elo |
| GPQA | 93.5% | 89.8% |
| Hallucination Rate (lower is better) | — | 38.1% |
| LiveCodeBench | 68.0% | — |
| SWE-bench Verified | 93.4% | — |
| Speed (tok/s) | 34 tok/s | 124 tok/s |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.