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Claude Opus 4.6 (Fast)

ANTHROPIC Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1642Chatbot Arena Verified
Max Context1,000,000Tokens
API Cost / 1M$180.00Blended Prompt + Completion

Model Capabilities

  • Fictional
  • Reasoning
  • Agentic
  • Top Tier
  • Coding & Logic
Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Granular Pricing Matrix

Input Tokens (Prompt)$30.00 / 1M
Output Tokens (Completion)$150.00 / 1M

Pricing data via OpenRouter. Sync: 4/8/2026

Evaluate Competitors

VS Engine MatchupClaude Opus 4.6 (Fast) vs OpenAI: GPT-5.4 NanoVS Engine MatchupClaude Opus 4.6 (Fast) vs OpenAI: GPT-5.4 ProVS Engine MatchupClaude Opus 4.6 (Fast) vs Anthropic: Claude Sonnet 4.6VS Engine MatchupClaude Opus 4.6 (Fast) vs xAI: Grok 4.20 Multi-AgentVS Engine MatchupClaude Opus 4.6 (Fast) vs xAI: Grok 4.20VS Engine MatchupClaude Opus 4.6 (Fast) vs DeepSeek: DeepSeek V3.2