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Claude Opus 4.8

Model family: Claude
Claude Opus 4.8, released May 28, 2026, is an upgrade to Opus 4.7 and Anthropic's most capable publicly available model. The headline improvement is reliability: it is roughly four times less likely to let coding errors pass unremarked and more likely to flag uncertainties about its work and less likely to make unsupported claims. On coding it sets a new bar, with a record 69.2 percent on SWE-Bench Pro versus Opus 4.7's 64.3 percent
New Multimodal
Released: May 28, 2026

Overview

Claude Opus 4.8 is Anthropic's new flagship model, released May 28, 2026. It improves on Opus 4.7 with stronger coding, more honest self-assessment, and a faster, cheaper fast mode, at the same standard pricing. New features include user-controlled effort levels and Dynamic Workflows for parallel subagents.

Pricing

Compare Claude Opus 4.8 with other models listed in the same vendor pricing tiers and context lengths.

Tier

Standard

About Anthropic

Anthropic is a technology company specializing in artificial intelligence and machine learning solutions.

Industry: Artificial Intelligence
Company Size: 3673
Location: San Francisco, California, US
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Benchmark scores

How Claude Opus 4.8 ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.

16.0%
ViralBench
Agentic
3,201.0views/day
Compare across all benchmarks โ†’

Tools using Claude Opus 4.8

Last updated: July 7, 2026
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