Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 16.5% higher average benchmark score. Gemini 3 Pro offers 776.2K more tokens in context window than Claude Opus 4.1. Gemini 3 Pro is $67.50 cheaper per million tokens. Overall, Gemini 3 Pro is the stronger choice for coding tasks.
Anthropic
Claude Opus 4.1, released by Anthropic in August 2025, is a large language model from the Claude 4 family optimized for demanding reasoning, multi-step coding, and extended analysis tasks. It features a 200K token context window, 32K maximum output tokens, native image understanding, and extended thinking capabilities. Opus 4.1 targets complex problem-solving, multi-turn reasoning workflows, and applications requiring deep analysis with integrated tool use.
Google DeepMind
Gemini 3 Pro, released by Google in November 2025, is a large language model from the Gemini 3 family designed for complex reasoning, broad world knowledge, and multi-step problem solving. It features a 1M token context window, 64K maximum output tokens, and native multimodal input including text, images, audio, and video. Gemini 3 Pro targets research-grade reasoning, advanced data analysis, and applications requiring comprehensive understanding across diverse input formats.
3 months newer

Claude Opus 4.1
Anthropic
2025-08-05

Gemini 3 Pro
Google DeepMind
2025-11-18
Cost per million tokens (USD)
Claude Opus 4.1
Gemini 3 Pro
Context window and performance specifications
Average performance across 5 common benchmarks
Claude Opus 4.1
Gemini 3 Pro
Performance comparison across key benchmark categories
Claude Opus 4.1
Claude Opus 4.1
2025-01
Available providers and their performance metrics
Claude Opus 4.1
Anthropic
AWS Bedrock
Google Cloud Vertex AI
Gemini 3 Pro
Claude Opus 4.1
Gemini 3 Pro
Claude Opus 4.1
Gemini 3 Pro
Gemini 3 Pro
Google Cloud Vertex AI