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AClaude Opus 4.8API

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family.

1MContext window · tokens
$5Input price · per M tokens
$25Output price · per M tokens
AnthropicProvider

Prices update automatically — checked daily against provider list prices.

See open-source alternatives → Compare all model prices

Benchmarks & performance

Independent benchmark scores for Claude Opus 4.8, measured by Artificial Analysis. Higher is better. Measurement mode: Max.

GPQA92%
Humanity's Last Exam48.7%
Long Context Reasoning77.7%
SciCode54.4%
IFBench62.2%
τ²-Bench94.4%
τ-Bench Banking34.2%
Terminal-Bench84.6%
Terminal-Bench Hard58.3%
💰 Blended price$10 / 1M tokens
Benchmark data by Artificial Analysis

About this model

Claude Opus 4.8 is a commercial AI model by Anthropic. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.

Frequently asked questions

What is Claude Opus 4.8?

Claude Opus 4.8 is an AI language model from Anthropic. It is a proprietary model, available through an API.

Is Claude Opus 4.8 free?

Claude Opus 4.8 is not free: it costs $5 per million input tokens and $25 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.

What is Claude Opus 4.8 good at?

Independent benchmarks from Artificial Analysis give it GPQA 92%, Humanity's Last Exam 48.7%, Long Context Reasoning 77.7%, SciCode 54.4%, IFBench 62.2%, τ²-Bench 94.4%, τ-Bench Banking 34.2%, Terminal-Bench 84.6%, Terminal-Bench Hard 58.3%.

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