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Devstral-2-123B vs Kimi K2 Thinking
Comprehensive side-by-side LLM comparison
Kimi K2 Thinking leads with 6.3% higher average benchmark score. Devstral-2-123B is $1.00 cheaper per million tokens. Overall, Kimi K2 Thinking is the stronger choice for coding tasks.
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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.
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Moonshot AI
Kimi K2 Thinking, released by Moonshot AI on November 6, 2025, is a reasoning-focused variant of Kimi K2 with 1 trillion total parameters and 32 billion active parameters, featuring extended chain-of-thought processing for complex problem solving. It builds on K2's agentic coding strengths with additional capabilities for mathematical and scientific reasoning. Kimi K2 Thinking targets open-source deployments requiring deep, deliberate reasoning across coding and analytical domains.
1 month newer
Kimi K2 Thinking
Moonshot AI
2025-11-06
Devstral-2-123B
Mistral AI
2025-12-09
Pricing Comparison
Cost per million tokens (USD)
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Devstral-2-123B
Input:$1.00
Output:$3.00($1.00 cheaper)
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Kimi K2 Thinking
Input:$1.00
Output:$4.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Devstral-2-123B
Average Score:37.5%
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Kimi K2 Thinking
Average Score:43.8%(+6.3%)
Performance comparison across key benchmark categories
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Devstral-2-123B
Coding37.5%
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Kimi K2 Thinking
Coding43.8%(+6.3%)
Provider Availability & Performance
Available providers and their performance metrics
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Devstral-2-123B
1 providers
OpenRouter
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Kimi K2 Thinking
1 providers
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Devstral-2-123B
Avg Score:37.5%
Providers:1
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Kimi K2 Thinking
Avg Score:43.8%(+6.3%)
Providers:1