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Claude Opus 4 vs Gemini 1.5 Flash
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 28.6% higher average benchmark score. Gemini 1.5 Flash offers 728.8K more tokens in context window than Claude Opus 4. Gemini 1.5 Flash is $89.25 cheaper per million tokens. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
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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 1.5 Flash was created as a fast and efficient multimodal model, designed to provide quick responses while handling text, images, and other modalities. Built for applications requiring low latency and high throughput, it balances capability with speed to serve real-time and high-volume use cases.
1 year newer
Gemini 1.5 Flash
2024-05-01
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 1.5 Flash
Input:$0.15
Output:$0.60($89.25 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4
Average Score:79.6%(+28.6%)
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Gemini 1.5 Flash
Average Score:51.0%
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Flash
2023-11-01
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:79.6%(+28.6%)
Providers:4
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Gemini 1.5 Flash
Avg Score:51.0%
Providers:1