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Claude 3.5 Sonnet vs GPT-4.1
Comprehensive side-by-side LLM comparison
Claude 3.5 Sonnet leads with 2.1% higher average benchmark score. GPT-4.1 offers 824.7K more tokens in context window than Claude 3.5 Sonnet. GPT-4.1 is $8.00 cheaper per million tokens. Claude 3.5 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude 3.5 Sonnet, updated by Anthropic in October 2024 (originally released June 2024), is a large language model from the Claude 3.5 family that delivered strong performance in coding, reasoning, and instruction-following at its release. It supports a 200K token context window, 8K maximum output tokens, and native image understanding including screenshot analysis and document comprehension. Claude 3.5 Sonnet targets general-purpose development tasks, document analysis, and applications requiring reliable instruction following with visual input support.
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OpenAI
GPT-4.1, released by OpenAI in April 2025, is a large language model from the GPT-4 family optimized for coding, precise instruction following, and long-context tasks. It features a 1M token context window and native image understanding, with improved performance on tool-calling and web development benchmarks compared to GPT-4o. GPT-4.1 targets software development workflows, long-document analysis, and applications requiring accurate, instruction-adherent outputs.
5 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
GPT-4.1
OpenAI
2025-04-14
Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Sonnet
Input:$3.00
Output:$15.00
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GPT-4.1
Input:$2.00
Output:$8.00($8.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude 3.5 Sonnet
Average Score:28.0%(+2.1%)
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GPT-4.1
Average Score:25.9%
Performance comparison across key benchmark categories
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Claude 3.5 Sonnet
Science55.0%(+6.9%)
Agents0.9%
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GPT-4.1
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Knowledge Cutoff
Training data recency comparison
Claude 3.5 Sonnet
2024-04
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 3.5 Sonnet
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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GPT-4.1
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Claude 3.5 Sonnet
Avg Score:28.0%(+2.1%)
Providers:3
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GPT-4.1
Avg Score:25.9%
Providers:1