Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M

AnthropicMultimodalLIVE INDEX

Claude Opus 4.6 (Fast)

Name: Claude Opus 4.6 (Fast)
Brand: Anthropic
Price: 30.000000 USD

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The flagship of the Claude 4 generation. 1M-token context is GA, and Opus 4.6 leads on agentic coding, long-horizon reasoning and tool-use reliability.

Claude Opus 4.6 (Fast) is a multimodal AI model from Anthropic. It costs $30.000 per million input tokens and $150.000 per million output tokens (blended $66.000/M), with a 1.0M-token context window.

Profile inherited from upstream Claude Opus 4.6 ↗ — this is a hosted variant of the same open-weights model.

Released Nov 2025Modalities text, visionOfficial model page ↗Provider pricing ↗API docs ↗Pricing source ↗Compare with another model →Estimate monthly cost →

INPUT

$30.000/M

per million input tokens

OUTPUT

$150.000/M

per million output tokens

BLENDED 70/30

$66.000/M

default reference rate · how it's calculated →

CONTEXT

1.0M

1,000,000 tokens

What it's good at

Agentic coding (Claude Code)
1M-token context, GA
Tool use & function calling
Multi-step reasoning
Faithful to long instructions

Typical use cases

Engineering copilots
Codebase-wide refactors
Long-document Q&A
Multi-step agent workflows

Benchmarks

vs. best public score

Scores inherited from Claude Opus 4.6 — this is a hosted variant of the same open-weights model, so the underlying benchmark scores are identical.

MMLU88%

Multitask academic knowledge across 57 subjects.

GPQA Diamond79%

Graduate-level science questions, "Google-proof".

MATH92%

High-school competition math problems.

HumanEval95%

Python function synthesis from docstrings.

SWE-bench Verified72%

Real GitHub issues solved end-to-end.

LMArena Elo1378 Elo

Crowd-sourced head-to-head preference Elo rating.

Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.

How much does Claude Opus 4.6 (Fast) cost?

Claude Opus 4.6 (Fast) costs $30.000 per million input tokens and $150.000 per million output tokens, for a blended reference rate of $66.000 per million tokens.

What is Claude Opus 4.6 (Fast)'s context window?

Claude Opus 4.6 (Fast) supports up to 1.0M tokens of context (1,000,000 tokens).

What is Claude Opus 4.6 (Fast) best for?

Claude Opus 4.6 (Fast) is well suited to Agentic coding (Claude Code), 1M-token context, GA and Tool use & function calling.

Who makes Claude Opus 4.6 (Fast)?

Claude Opus 4.6 (Fast) is developed and served by Anthropic. It was released in Nov 2025.