Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 16.7% higher average benchmark score. GPT-4.1 mini offers 800.8K more tokens in context window than Claude Opus 4.1. GPT-4.1 mini is $88.00 cheaper per million tokens. Claude Opus 4.1 is available on 3 providers. Overall, Claude Opus 4.1 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.
OpenAI
GPT-4.1 mini, released by OpenAI in April 2025, is a smaller variant from the GPT-4.1 family designed for efficient, cost-effective deployments requiring long-context understanding. It features a 1M token context window and native image understanding, with maintained coding and instruction-following capabilities relative to its size. GPT-4.1 mini targets applications needing a balance between response speed, cost, and capability, such as production APIs with high request volumes.
3 months newer

GPT-4.1 mini
OpenAI
2025-04-14

Claude Opus 4.1
Anthropic
2025-08-05
Cost per million tokens (USD)
Claude Opus 4.1
GPT-4.1 mini
Context window and performance specifications
Average performance across 1 common benchmarks
Claude Opus 4.1
GPT-4.1 mini
Performance comparison across key benchmark categories
Claude Opus 4.1
GPT-4.1 mini
Claude Opus 4.1
2025-01
Available providers and their performance metrics
Claude Opus 4.1
Anthropic
AWS Bedrock
Google Cloud Vertex AI
GPT-4.1 mini
Claude Opus 4.1
GPT-4.1 mini
Claude Opus 4.1
GPT-4.1 mini
OpenAI