Verified65% confidenceReleaseExact time
Anthropic has released Haiku 5.5, describing it as the cheapest, fastest, and most capable small model the company has ever released.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
10/9/2026
First Seen
Valid until: 1/7/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic's Thariq Shihipar stated that Opus 5.5 expresses more clearly, has a lower cost per token than Opus 5.0, and possesses an intelligence level close to Fable 5.1.64% similarUnverifiedA configuration using Opus 5.5 as the orchestrator with 10 Haiku 5.5 sub-agents runs faster and costs less than using Opus 5.5 alone.59% similarUnverifiedDevin's choice to introduce Haiku 5.5 both as a standalone option and as a Fusion sidekick is a response to the trend of coding agents shifting from performance-only thinking to balancing performance and cost.57% similarUnverifiedAmong Claude model options, Opus 4.6 is suited for heavy tasks but is unavailable in the free tier, Sonnet 4.6 is the default model for the free tier, and Haiku is faster and consumes fewer tokens.56% similar
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