token.app › Compare › Kimi K2.6 vs Claude Opus 5
Kimi K2.6 vs Claude Opus 5
Claude Opus 5 leads on 5 of 5 shared benchmarks. Kimi K2.6 is 9.6× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Kimi K2.6 | Claude Opus 5 | |
|---|---|---|
| Provider | Moonshot AI | Anthropic |
| Input $/1M | $0.580 | $5.00 |
| Output $/1M | $2.44 | $25.00 |
| Blended $/1M | $1.04 | $10.00 |
| Context window | 262K | 1M |
| Max output | 262K | 128K |
| Released | Apr 2026 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 90.8% | 93.9% |
| FrontierMath T1–3 | 57.2% | 85.6% |
| FrontierMath T4 | 25.6% | 73.2% |
| SimpleQA Verified | 38.7% | 56.7% |
| OTIS Mock AIME | 96.1% | 98.9% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Kimi K2.6 if…
- Costs less per token — $1.04 vs $10.00 blended
- Open weights — self-hostable
Choose Claude Opus 5 if…
- Higher GPQA Diamond (93.9% vs 90.8%)
- Higher FrontierMath T1–3 (85.6% vs 57.2%)
- Higher FrontierMath T4 (73.2% vs 25.6%)
- Higher SimpleQA Verified (56.7% vs 38.7%)
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Kimi K2.6 or Claude Opus 5?
Across the 5 benchmarks both models have independently-run scores for, Kimi K2.6 leads on 0 and Claude Opus 5 leads on 5. Benchmarks are one input — price and context window are on this page too.
Is Kimi K2.6 cheaper than Claude Opus 5?
Kimi K2.6 is cheaper: $1.04 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.580 vs $5.00. Output alone: $2.44 vs $25.00.
What context windows do Kimi K2.6 and Claude Opus 5 have?
Kimi K2.6: 262,144 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Kimi K2.6 and Claude Opus 5?
Kimi K2.6 is made by Moonshot AI. Claude Opus 5 is made by Anthropic.