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Claude Opus 4 vs Gemini 2.5 Flash
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 4.1% higher average benchmark score. Gemini 2.5 Flash offers 786.1K more tokens in context window than Claude Opus 4. Gemini 2.5 Flash is $87.20 cheaper per million tokens. Claude Opus 4 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
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Gemini 2.5 Flash represents a continued evolution of Google's efficient multimodal models, designed to deliver enhanced capabilities while maintaining the performance characteristics valued in the Flash series. Built to serve high-throughput applications with improved quality, it advances the balance between speed and intelligence.
2 days newer
Gemini 2.5 Flash
2025-05-20
Claude Opus 4
Anthropic
2025-05-22
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Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4
Input:$15.00
Output:$75.00
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Gemini 2.5 Flash
Input:$0.30
Output:$2.50($87.20 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Claude Opus 4
Average Score:75.9%(+4.1%)
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Gemini 2.5 Flash
Average Score:71.7%
Performance comparison across key benchmark categories
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Claude Opus 4
Coding72.5%(+12.1%)
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Gemini 2.5 Flash
Coding60.4%
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Knowledge Cutoff
Training data recency comparison
Gemini 2.5 Flash
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 Opus 4
4 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 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 Opus 4
Avg Score:75.9%(+4.1%)
Providers:4
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Gemini 2.5 Flash
Avg Score:71.7%
Providers:2