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Claude 3.7 Sonnet vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 9.7% higher average benchmark score. Claude 3.7 Sonnet offers 28.0K more tokens in context window than o3. o3 is $8.00 cheaper per million tokens. Claude 3.7 Sonnet is available on 4 providers. Overall, o3 is the stronger choice for coding tasks.
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Anthropic
Claude 3.7 Sonnet represents Anthropic's first hybrid reasoning model, capable of producing near-instant responses or extended step-by-step thinking that is visible to users. Developed with particularly strong improvements in coding and front-end web development, it allows users to control thinking budgets and balances real-world task performance with reasoning capabilities for enterprise applications.
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OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
1 month newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
o3
OpenAI
2025-04-16
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.7 Sonnet
Input:$3.00
Output:$15.00
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o3
Input:$2.00
Output:$8.00($8.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Claude 3.7 Sonnet
Average Score:73.0%
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o3
Average Score:82.7%(+9.7%)
Performance comparison across key benchmark categories
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Claude 3.7 Sonnet
Coding70.3%(+1.2%)
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o3
Coding69.1%
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Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
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 3.7 Sonnet
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.7 Sonnet
Avg Score:73.0%
Providers:4
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o3
Avg Score:82.7%(+9.7%)
Providers:1