Comprehensive side-by-side LLM comparison
Devstral-2-123B offers 32.2K more tokens in context window than Claude Opus 4.1. Devstral-2-123B is $86.00 cheaper per million tokens. Claude Opus 4.1 supports multimodal inputs. Claude Opus 4.1 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Opus 4.1, released by Anthropic in August 2025, is a large language model from the Claude 4 family optimized for demanding reasoning, multi-step coding, and extended analysis tasks. It features a 200K token context window, 32K maximum output tokens, native image understanding, and extended thinking capabilities. Opus 4.1 targets complex problem-solving, multi-turn reasoning workflows, and applications requiring deep analysis with integrated tool use.
Mistral AI
Devstral 2, released by Mistral AI on December 9, 2025, is a 123 billion parameter dense transformer model specifically designed for software engineering tasks. It features a 256K token context window and achieved 72.2% on SWE-bench Verified at release, making it a competitive open-weight option for automated coding and agentic development. Devstral 2 targets code generation, multi-file software engineering, and agentic development workflows under a modified MIT license.
4 months newer

Claude Opus 4.1
Anthropic
2025-08-05

Devstral-2-123B
Mistral AI
2025-12-09
Cost per million tokens (USD)
Claude Opus 4.1
Devstral-2-123B
Context window and performance specifications
Claude Opus 4.1
2025-01
Available providers and their performance metrics
Claude Opus 4.1
Anthropic
AWS Bedrock
Google Cloud Vertex AI
Devstral-2-123B
Claude Opus 4.1
Devstral-2-123B
Claude Opus 4.1
Devstral-2-123B
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