Claude Sonnet 4.5 vs Mistral Large 3
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Sonnet 4.5 and Mistral Large 3.
Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Mistral Large 3
Mistral's flagship commercial model, boasting multilingual support and advanced coding and math skills. Designed for complex reasoning and enterprise tasks that require high compliance.
Technical Specifications
| Specification | Claude Sonnet 4.5 | Mistral Large 3 |
|---|---|---|
| Provider | Anthropic | Mistral |
| Context Window | 1,000,000 tokens | 262,144 tokens |
| Agent Suitability | 91/100 | 91/100 |
| Time to First Token (TTFT) | 380 ms | 250 ms |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-09-29 | 2024-07-24 |
API Pricing Comparison
Input Price per Million Tokens
Claude Sonnet 4.5
$3.00
Mistral Large 3
$0.50
Output Price per Million Tokens
Claude Sonnet 4.5
$15.00
Mistral Large 3
$1.50
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Sonnet 4.5 Quirks & Gotchas
- ▸Excellent for long-form writing and nuanced document analysis
- ▸Slightly slower than Sonnet 4.6 — upgrade for production agentic use
Mistral Large 3 Quirks & Gotchas
- ▸Top-tier structured JSON output — best multilingual function calling
- ▸Le Chat offers free consumer tier with same underlying model