token.app › Compare › Mistral Small 3 vs Claude Opus 5
Mistral Small 3 vs Claude Opus 5
Claude Opus 5 leads on 2 of 2 shared benchmarks. Mistral Small 3 is 174× 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
| Mistral Small 3 | Claude Opus 5 | |
|---|---|---|
| Provider | Mistral AI | Anthropic |
| Input $/1M | $0.050 | $5.00 |
| Output $/1M | $0.080 | $25.00 |
| Blended $/1M | $0.058 | $10.00 |
| Context window | 33K | 1M |
| Max output | 16K | 128K |
| Released | Jan 2025 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 45.3% | 93.9% |
| OTIS Mock AIME | 5.3% | 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 Mistral Small 3 if…
- Costs less per token — $0.058 vs $10.00 blended
- Open weights — self-hostable
Choose Claude Opus 5 if…
- Higher GPQA Diamond (93.9% vs 45.3%)
- Higher OTIS Mock AIME (98.9% vs 5.3%)
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Mistral Small 3 or Claude Opus 5?
Across the 2 benchmarks both models have independently-run scores for, Mistral Small 3 leads on 0 and Claude Opus 5 leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Mistral Small 3 cheaper than Claude Opus 5?
Mistral Small 3 is cheaper: $0.058 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.050 vs $5.00. Output alone: $0.080 vs $25.00.
What context windows do Mistral Small 3 and Claude Opus 5 have?
Mistral Small 3: 32,768 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Mistral Small 3 and Claude Opus 5?
Mistral Small 3 is made by Mistral AI. Claude Opus 5 is made by Anthropic.