Claude Opus 4.5 vs Gemini 2.0 Flash Thinking Comparison
Comparing Claude Opus 4.5 and Gemini 2.0 Flash Thinking across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.5 outperforms in 1 benchmarks (GPQA), while Gemini 2.0 Flash Thinking is better at 0 benchmarks.
Claude Opus 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only Claude Opus 4.5 specifies input context (200,000 tokens). Only Claude Opus 4.5 specifies output context (64,000 tokens).
Input Capabilities
Supported data types and modalities
Both Claude Opus 4.5 and Gemini 2.0 Flash Thinking support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.5
Gemini 2.0 Flash Thinking
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Opus 4.5 was released on 2025-11-24, while Gemini 2.0 Flash Thinking was released on 2025-01-21.
Claude Opus 4.5 is 10 months newer than Gemini 2.0 Flash Thinking.
Nov 24, 2025
3 months ago
10mo newerJan 21, 2025
1.2 years ago
Knowledge Cutoff
When training data ends
Claude Opus 4.5 has a knowledge cutoff of 2025-03-31, while Gemini 2.0 Flash Thinking has a cutoff of 2024-08-01.
Claude Opus 4.5 has more recent training data (up to 2025-03-31), making it potentially better informed about events through that date compared to Gemini 2.0 Flash Thinking (2024-08-01).
Mar 2025
7 mo newerAug 2024
Outputs Comparison
Key Takeaways
Claude Opus 4.5
View detailsAnthropic
Detailed Comparison
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