Claude Sonnet 4.5 vs Mistral Large 3
Side-by-side specs, pricing and capabilities. Both models run on Clade under one subscription, so you can switch between them in the same conversation.
Claude Sonnet 4.5 comes from Anthropic and Mistral Large 3 from Mistral. The practical difference for most people is context, price, and which input types each one accepts.
Claude Sonnet 4.5 holds more in a single conversation — 1M tokens against 256K — which matters for long documents and large codebases.
Mistral Large 3 is the cheaper of the two on input tokens at $0.50 / 1M tokens.
| Specification | Claude Sonnet 4.5 | Mistral Large 3 |
|---|---|---|
| Provider | Anthropic | Mistral |
| Model ID | claude-sonnet-4-5-20250929 | mistral-large-2512 |
| Context window | 1M | 256K |
| Max output | 64K | 8K |
| Input price | $3.00 / 1M tokens | $0.50 / 1M tokens |
| Output price | $15.00 / 1M tokens | $1.50 / 1M tokens |
| Knowledge cutoff | 2025-01 | — |
| Input types | text, image, file | text, image, file, audio |
| Output types | text | text |
| Plan | Premium | Free |
Which should you use?
Pick Claude Sonnet 4.5 when…
- You need the larger context window — 1M against 256K.
- You want longer single responses — up to 64K output tokens.
Pick Mistral Large 3 when…
- Cost matters: input runs at $0.50 / 1M tokens versus $3.00 / 1M tokens.
- You need audio input, which the other model does not accept.
- You are on the free plan — this model is included without an upgrade.
Related comparisons
Try both on Clade
You do not have to choose. One Clade subscription gives you Claude Sonnet 4.5, Mistral Large 3, and every other model on the platform.