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Claude Opus 4.1 vs Gemini 2.5 Flash
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 6.1% higher average benchmark score. Gemini 2.5 Flash offers 882.1K more tokens in context window than Claude Opus 4.1. Gemini 2.5 Flash is $87.20 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
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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 months newer
Gemini 2.5 Flash
2025-05-20
Claude Opus 4.1
Anthropic
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4.1
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 4.1
Average Score:77.8%(+6.1%)
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Gemini 2.5 Flash
Average Score:71.7%
Performance comparison across key benchmark categories
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Claude Opus 4.1
Coding74.5%(+14.1%)
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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 4.1
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 4.1
Avg Score:77.8%(+6.1%)
Providers:4
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Gemini 2.5 Flash
Avg Score:71.7%
Providers:2