The linked official Anthropic catalog lists the exact model ID claude-haiku-4-5-20251001 as currently available; account, region, product, and endpoint access can still vary.
OpenGPT catalog guidance
Best for
Latency-sensitive or high-volume tasks where responsiveness matters.
Document analysis, writing, coding, and sustained long-context work.
Strengths
The fast role prioritizes responsiveness and throughput within the family.
Claude Haiku 4.5 is provider-listed as the fast release in its model family.
Weaknesses
General availability does not guarantee identical capabilities across every product, account, or endpoint.
Verify exact capabilities, pricing, latency, context limits, tools, and regional availability with the provider.
These points are OpenGPT decision guidance derived from provider-confirmed family, catalog role, and lifecycle information. They are not measured results for this exact version. Verify capabilities, pricing, latency, context limits, tools, and regional availability with the provider.
Published ranking signals · 1 · User preference
Model family
Family-level guidance
The following summary describes the broader model family from official positioning. It is not a measured result for this exact version.
CH
Model family: Claude
Claude
A proprietary family positioned for analysis, writing, coding, and long-context work.
Read, analyze, or writeRead long documentsSolve problems or codeEveryday work
Well suited to document analysis and sustained written work. Offers managed models for coding and agentic workflows.
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Family limitations
Closed weights and API-dependent access. Capabilities and limits differ substantially between model tiers.
Verify the exact version before choosing: capabilities, price, context limits, latency, tools, and regional availability can differ by provider access path.
Provider documentation and OpenGPT catalog classification are labeled separately.
Version differences
Compare two catalog model IDs from one model family. Provider IDs, sources and published ranking signals are shown; OpenGPT catalog classification is labeled separately.
OpenGPTAI decision intelligence