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Claude Opus 4.1

ANTHROPIC Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1320Chatbot Arena Verified
Max Context200,000Tokens
API Cost / 1M$90.00Blended Prompt + Completion

Model Capabilities

  • Fictional
  • Reasoning
  • Agentic
  • Top Tier
  • Coding & Logic
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for tasks involving research, data analysis, and tool-assisted reasoning.

Granular Pricing Matrix

Input Tokens (Prompt)$15.00 / 1M
Output Tokens (Completion)$75.00 / 1M

Pricing data via OpenRouter. Sync: 3/16/2026

Evaluate Competitors

VS Engine MatchupClaude Opus 4.1 vs Amazon: Nova Premier 1.0VS Engine MatchupClaude Opus 4.1 vs xAI: Grok 4VS Engine MatchupClaude Opus 4.1 vs xAI: Grok 3VS Engine MatchupClaude Opus 4.1 vs xAI: Grok 3 BetaVS Engine MatchupClaude Opus 4.1 vs OpenAI: GPT-4oVS Engine MatchupClaude Opus 4.1 vs Google: Gemini 3.1 Flash Lite Preview