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Claude Sonnet 4.5 vs Devstral Small 1.1
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 23.6% higher average benchmark score. Claude Sonnet 4.5 offers 8.0K more tokens in context window than Devstral Small 1.1. Devstral Small 1.1 is $17.60 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5 was developed to bridge human thinking and machine assistance, allowing people to work with language and tools in a more conversational and natural way. Built with a focus on turning ideas into results, it represents an evolution in making AI feel less mechanical while maintaining strong capabilities across reasoning, coding, and collaborative tasks.
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Mistral AI
Devstral Small was developed as a more efficient development-focused model, designed to bring software engineering assistance to resource-conscious deployments. Built to provide coding capabilities with reduced computational requirements, it enables developer tools in environments where efficiency is paramount.
2 months newer
Devstral Small 1.1
Mistral AI
2025-07-11
Claude Sonnet 4.5
Anthropic
2025-09-29
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Devstral Small 1.1
Input:$0.10
Output:$0.30($17.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:77.2%(+23.6%)
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Devstral Small 1.1
Average Score:53.6%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Coding77.2%(+23.6%)
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Devstral Small 1.1
Coding53.6%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4.5
Avg Score:77.2%(+23.6%)
Providers:2
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Devstral Small 1.1
Avg Score:53.6%
Providers:1