Kimi K3
Kimi K3 by Moonshot AI: League Score, pricing, context window and sourced benchmarks — the full tracked record.
63 Open weights $3.00 / $15.00 per 1M 1M context
League positions: #21 overall · #6 Reasoning Division · #22 Value Division · #4 Open-Weight Division. Score coverage: 70% of components measured. Count tokens & cost for Kimi K3 · Estimate a workload cost
Specifications & pricing
| Maker | Moonshot AI — lab profile |
| Family | Kimi K3 |
| Released | Jul 16, 2026 |
| Status | Current |
| Weights | Open weights |
| License | Kimi K3 License |
| Knowledge cutoff | Not published |
| Context window | 1,048,576 tokens |
| Max output | 131,072 tokens |
| Modalities in | text, image, video |
| Modalities out | text |
| API price (input) | $3.00 per 1M tokens |
| API price (output) | $15.00 per 1M tokens |
| Cached input | $0.30 per 1M |
| Blended (3:1 in:out) | $6.00 per 1M |
| Pricing source | Official pricing page (checked Oct 14, 2026) |
| Output speed | 44.8 tokens/sec — Artificial Analysis, Oct 14, 2026 |
| API access | Moonshot Kimi API |
Benchmark results
| Benchmark | Score | Source | Date | Link |
|---|---|---|---|---|
| GPQA Diamond | 93.5 / 100 | BenchLM GPQA leaderboard | Oct 14, 2026 | Source |
| LMArena Elo | 1500 | LMArena via Swfte snapshot | Oct 7, 2026 | Source |
| LiveBench overall | 63.4 / 100 | LiveBench | Oct 14, 2026 | Source |
How its League Score is built
| Component | Raw | Normalised | Weight | Date | Link |
|---|---|---|---|---|---|
| LiveBench overall | 63.4 | 41.4 | 40% | Oct 14, 2026 | Source |
| GPQA Diamond | 93.5 | 89.1 | 15% | Oct 14, 2026 | Source |
| LMArena Elo | 1500 | 93.2 | 15% | Oct 7, 2026 | Source |
Normalised 0–100 against the tracked field; missing components redistribute their weight. Full rules on the methodology page.
Closest rivals
- Kimi K3 vs Gemini 3.8 Flash — full comparison or compare any pair
- Kimi K3 vs DeepSeek V4 Pro (0813) — full comparison or compare any pair
- Kimi K3 vs Qwen3.8-Max — full comparison or compare any pair
FAQ
How much does Kimi K3 cost?
Kimi K3 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on the first-party API (checked Oct 14, 2026).
What is the context window of Kimi K3?
Kimi K3 accepts up to 1,048,576 tokens of context.
Is Kimi K3 open source?
Yes — its weights are publicly downloadable (license: Kimi K3 License).
Data verified Oct 14, 2026. Spotted an error? Every figure above links to its source.