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Claude 3.5 Sonnet vs o4 mini
Comprehensive side-by-side LLM comparison
o4 mini leads with 2.4% higher average benchmark score. o4 mini offers 91.9K more tokens in context window than Claude 3.5 Sonnet. o4 mini is $12.50 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
OpenAI o4 mini, released by OpenAI in April 2025, is a compact reasoning model from the o4 family that combines multimodal understanding with efficient chain-of-thought processing. It features a 200K token context window and native image understanding, with strong performance on mathematics and coding benchmarks relative to its inference cost. o4 mini targets cost-sensitive applications requiring both visual reasoning and mathematical accuracy.
5 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
o4 mini
OpenAI
2025-04-16
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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o4 mini
Input:$1.10
Output:$4.40($12.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3.5 Sonnet
Average Score:0.9%
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o4 mini
Average Score:3.3%(+2.4%)
Performance comparison across key benchmark categories
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Claude 3.5 Sonnet
Agents0.9%
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o4 mini
Agents3.3%(+2.4%)
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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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o4 mini
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Claude 3.5 Sonnet
Avg Score:0.9%
Providers:3
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o4 mini
Avg Score:3.3%(+2.4%)
Providers:1