Claude Sonnet 4.5 vs Devstral 2 2512

Compare Claude Sonnet 4.5 from Anthropic and Devstral 2 2512 from Mistral AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Claude Sonnet 4.5 vs Devstral 2 2512: side-by-side summary

Claude Sonnet 4.5 and Devstral 2 2512 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Sonnet 4.5, from Anthropic, has a 1,000,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.

Devstral 2 2512, from Mistral AI, has a 262,144-token context window and is priced at $0.40/M tokens input, $2/M tokens output on OpenRouter.

Context window

Claude Sonnet 4.5: 1,000,000 tokens
Devstral 2 2512: 262,144 tokens

Price

Claude Sonnet 4.5: $3/M tokens input, $15/M tokens output
Devstral 2 2512: $0.40/M tokens input, $2/M tokens output

Provided by

Claude Sonnet 4.5: Anthropic
Devstral 2 2512: Mistral AI

Claude Sonnet 4.5 vs Devstral 2 2512 at a glance

Claude Sonnet 4.5 vs Devstral 2 2512 comparison
Attribute	Claude Sonnet 4.5	Devstral 2 2512
Input price	$3/M tokens	$0.40/M tokens
Output price	$15/M tokens	$2/M tokens
Context window	1,000,000 tokens	262,144 tokens
Intelligence Index	19.3	8.6
Coding Index	Not available	31.3
Agentic Index	Not available	2.3
Latency (p50)	1.05 s	0.29 s
Throughput (p50)	39.0 tok/s	121.0 tok/s

Benchmark data updated Oct 5, 2026

Frequently asked questions

Which has the longer context window, Claude Sonnet 4.5 or Devstral 2 2512?

Claude Sonnet 4.5 has the longer context window at 1,000,000 tokens, compared with 262,144 tokens for Devstral 2 2512.

Which is faster, Claude Sonnet 4.5 or Devstral 2 2512?

Devstral 2 2512 is faster on OpenRouter, generating a median 121.0 tokens per second compared with 39.0 tokens per second for Claude Sonnet 4.5.

Claude Sonnet 4.5 vs Devstral 2 2512

Claude Sonnet 4.5 vs Devstral 2 2512

Overview