AI Models RadarAnthropic · 07 Oct 2026
Claude Haiku 5.5
Anthropic’s fastest small model for high-volume, cost-sensitive routing, summarization and subagent work.
High-signal launch with broad capability, access or platform-level implications.
The release is linked to a source controlled by the releasing lab.
Verified source · 1 receiptModel lineage
Where Claude Haiku 5.5 sits.
Model lifecycle
Know whether it is ready—and when it is leaving.
Radar tracks the model’s current access stage separately from its original announcement, including official retirement dates and recommended replacements when the lab publishes them.
Available through a public product or API channel.
- Status since
- 07 Oct 2026
Change Lens
What actually changed.
Normalized from the release note so different labs can be compared by the same fields, not just by launch copy.
General · Coding
Evidence is first-party; comparison labels are normalized by Radar.
The release is linked to a source controlled by the releasing lab.
Verified source · 1 receiptSource receipts
Evidence behind the brief.
The Radar keeps claims traceable: first-party sources, normalized fields, unknowns and the latest verification marker used for this page.
Context is not clearly specified in the indexed source note.
Extends the Claude 5.5 family to real-time and high-volume workloads at sharply lower prices.
This brief links back to the first-party announcement or documentation used by the radar.
Open original source