Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 2.7% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 882.1K more tokens in context window than Claude Opus 4.1. Gemini 2.5 Pro Preview 06-05 is $78.75 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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.
Gemini 2.5 Pro Preview was released as an early access version of Gemini 2.5 Pro, designed to allow developers and enterprises to experiment with next-generation capabilities before general availability. Built to gather feedback and demonstrate upcoming features, it provided a window into the evolution of Google's flagship model.
2 months newer

Gemini 2.5 Pro Preview 06-05
2025-06-05

Claude Opus 4.1
Anthropic
2025-08-05
Cost per million tokens (USD)

Claude Opus 4.1

Gemini 2.5 Pro Preview 06-05
Context window and performance specifications
Average performance across 3 common benchmarks

Claude Opus 4.1

Gemini 2.5 Pro Preview 06-05
Performance comparison across key benchmark categories

Claude Opus 4.1

Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

Gemini 2.5 Pro Preview 06-05

Claude Opus 4.1

Gemini 2.5 Pro Preview 06-05

Gemini 2.5 Pro Preview 06-05