How much does Claude Opus 4.8 (Fast) cost?

Claude Opus 4.8 (Fast) costs $10.00 per million input tokens and $50.00 per million output tokens. For a typical conversation (~2,000 tokens), that's approximately $0.070 per message.

Is Claude Opus 4.8 (Fast) open source?

No, Claude Opus 4.8 (Fast) is a proprietary model by Anthropic.

How does Claude Opus 4.8 (Fast) compare to GPT-4o Audio?

Claude Opus 4.8 (Fast) has an average score of 0.0 while GPT-4o Audio scores 0.0. GPT-4o Audio slightly outperforms Claude Opus 4.8 (Fast) overall. Claude Opus 4.8 (Fast) costs $10.00/1M input vs GPT-4o Audio at $2.50/1M input. See full comparison →

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Claude Opus 4.8 (Fast)

Name: Claude Opus 4.8 (Fast)
Price: 10 USD
Author: Anthropic

by Anthropic · Released May 2026

Multimodal1M Context

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Context

1.0M tokens (~500 books)

Input $/1M

$10.00

Output $/1M

$50.00

Type

multimodal

License

Proprietary

Benchmarks

3 tested

Data updated today

About

Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Tested on 3 benchmarks with 0.0% average. Top scores: Artificial Analysis — Coding Index (74.3%), Artificial Analysis — Quality Index (55.7%), Artificial Analysis — Agentic Index (47.2%).

Capabilities

speed

98.4

#3 globally

Benchmark Scores

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Tested on 3 benchmarks · Ranked across 1 categories

Score Distribution (all 274 models)