Unverified50% confidenceReleaseExact time

Anthropic released Claude Opus 5.5 on September 22, priced at approximately 40% of GPT-6 Astra (the $4 tier).

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

9/29/2026

First Seen

Valid until: 12/28/2026

Sources

Opus 5.5 vs. GPT-6: The AI Flagship War Has Shifted from Benchmarks to Bills

Related Entities

Anthropiccompany Claude Opus 5.5model

Related Claims

VerifiedAnthropic released Claude Sonnet 5, officially claiming its performance approaches that of Opus 4.8 at a lower price64% similar UnverifiedClaude Opus 4.6 is a product launched by Anthropic to compete with GPT 5.3 Codex.63% similar

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