Unverified50% confidenceReleaseExact time
Anthropic released its top flagship Fable 5.1 on September 1, also priced at $10/$50, and it was comprehensively outperformed by the subsequently released Opus 5.5.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/29/2026
First Seen
Valid until: 12/28/2026
Sources
Related Entities
Related Claims
UnverifiedAnthropic released Opus 5.5, priced approximately 20% lower than the previous generation and approximately 60% cheaper than the next tier up of top closed-source models.70% similarUnverifiedAnthropic has released Claude Opus 5, with API pricing approximately half that of competitors' strongest flagship models.66% similarUnverifiedThe cost for Opus 5 to generate the AirLens website was 69 cents, compared to 94 cents for competitor Fable 5.63% similarUnverifiedIn the e-commerce website test, Opus 4.8's estimated cost was $21.41 while Fable 5's was $36.8460% similarUnverifiedMultiple leaks on platform X indicate that Opus 5.5 is expected to be priced at $4 per million input tokens and $20 per million output tokens, approximately 20% cheaper than the existing Opus 5.60% similar
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