Comprehensive side-by-side LLM comparison
Claude Opus 4.6 leads with 27.1% higher average benchmark score. GPT-4.1 mini offers 704.8K more tokens in context window than Claude Opus 4.6. GPT-4.1 mini is $28.00 cheaper per million tokens. Claude Opus 4.6 is available on 3 providers. Overall, Claude Opus 4.6 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4.6, released by Anthropic in February 2026, is a large language model from the Claude 4 family designed for complex agent orchestration, extended reasoning, and long-form code generation. It features a 200K token context window (extendable to 1M tokens in beta), 128K maximum output tokens, native image understanding, and extended thinking with both standard and adaptive effort modes. Opus 4.6 targets multi-step agentic workflows, parallel tool use, and applications requiring sustained reasoning over large contexts.
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.
9 months newer

GPT-4.1 mini
OpenAI
2025-04-14

Claude Opus 4.6
Anthropic
2026-02
Cost per million tokens (USD)
Claude Opus 4.6
GPT-4.1 mini
Context window and performance specifications
Average performance across 1 common benchmarks
Claude Opus 4.6
GPT-4.1 mini
Performance comparison across key benchmark categories
Claude Opus 4.6
GPT-4.1 mini
Claude Opus 4.6
2025-05
Available providers and their performance metrics
Claude Opus 4.6
Anthropic
AWS Bedrock
Google Cloud Vertex AI
GPT-4.1 mini
Claude Opus 4.6
GPT-4.1 mini
Claude Opus 4.6
GPT-4.1 mini
OpenAI