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💬 Text ModelProprietary

Claude Opus 4.8

by Anthropic

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026
API Reference

Benchmark Evaluations

Codingswe-bench-pro

69.2%

Reasoninggpqa-diamond

93.6%

Pricing & Speed Details

Input Cost

$5.00

per 1M tokens
Output Cost

$25.00

per 1M tokens
Blended Cost

$10.00

based on 3:1 ratio
Speed

48.1 tps

Context Window

1M tokens

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Quick Info

  • ProviderAnthropic
  • CategoryText / Chat Generation
  • LicenseProprietary

Frequently Asked Questions

Claude Opus 4.8 has a blended cost of $10.00 per 1 million tokens (calculated using a standard 3:1 input-to-output token ratio). Its specific pricing is $5.00 per 1M input tokens and $25.00 per 1M output tokens.

Claude Opus 4.8 supports a context window of 1M tokens. This allows it to process large documents, codebase segments, or long chat histories in a single query session.

Claude Opus 4.8 scores 69.2% on coding evaluations (SWE-bench-pro) and 93.6% on reasoning tasks (GPQA-diamond).

Claude Opus 4.8 is an proprietary model developed by Anthropic.