{"schema":"postcutoff/model@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/m/claude-haiku-4-5/","md":"https://postcutoff.com/m/claude-haiku-4-5/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"claude-haiku-4-5","name":"Claude Haiku 4.5","org":"Anthropic","family":"Claude 4","released":"2025-10-15","status":"legacy","type":"reasoning-llm","modality_in":["text","image","pdf"],"modality_out":["text"],"open_weights":false,"model_license":"proprietary","context_window":200000,"max_output":64000,"knowledge_cutoff":"2025-02","pricing":{"input":1,"output":5,"cache_read":0.1,"unit":"per 1M tokens (USD); Batch API 50% off","source":"https://platform.claude.com/docs/en/about-claude/pricing"},"price_line":"$1 in, $5 out per 1M tokens","access":[{"provider":"Anthropic API (Claude API)","model_id":"claude-haiku-4-5-20251001","alias":"claude-haiku-4-5","endpoint":"https://api.anthropic.com/v1/messages","docs":"https://platform.claude.com/docs/en/models/haiku-4-5/overview"},{"provider":"AWS Bedrock (Messages API / Mantle)","model_id":"anthropic.claude-haiku-4-5","docs":"https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock"},{"provider":"AWS Bedrock (InvokeModel)","model_id":"anthropic.claude-haiku-4-5-20251001-v1:0","docs":"https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy"},{"provider":"Google Cloud Vertex AI","model_id":"claude-haiku-4-5@20251001","docs":"https://platform.claude.com/docs/en/build-with-claude/claude-on-vertex-ai"},{"provider":"Microsoft Foundry (Azure)","model_id":"claude-haiku-4-5","docs":"https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry"},{"provider":"Claude Platform on AWS","model_id":"claude-haiku-4-5","docs":"https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws"},{"provider":"OpenRouter","model_id":"anthropic/claude-haiku-4.5","url":"https://openrouter.ai/anthropic/claude-haiku-4.5"},{"provider":"Web app","url":"https://claude.ai"}],"capabilities":[{"name":"Sonnet-4-class coding at Haiku price","detail":"73.3% on SWE-bench Verified, roughly matching Sonnet 4 at one-third the cost and over 2x the speed.","first":false,"discovered":"launch","source":"https://www.anthropic.com/news/claude-haiku-4-5"},{"name":"Sub-agent workhorse","detail":"Reaches about 90% of Sonnet 4.5 on Augment's agentic eval; Anthropic positions it for multi-agent orchestration.","first":false,"discovered":"launch","source":"https://www.anthropic.com/news/claude-haiku-4-5"},{"name":"Haiku with extended thinking and computer use","detail":"First Haiku model with extended thinking; it also surpasses Sonnet 4 on some computer-use tasks.","first":true,"discovered":"launch","source":"https://www.anthropic.com/news/claude-haiku-4-5"}],"entry":null,"notes":"Legacy since Claude Haiku 5.5 (Oct 7, 2026), which is 90% cheaper; still available. Snapshot claude-haiku-4-5-20251001 (alias claude-haiku-4-5). Uses extended thinking (thinking type enabled + budget_tokens), no effort parameter. Training data cutoff Jul 2025. Retirement not sooner than 2026-10-15. Batch $0.50/$2.50.","verified":"2026-10-08","body_md":"Cheap, low-latency model for classification, extraction, sub-agents and high-volume chat.\n\n```bash\ncurl https://api.anthropic.com/v1/messages \\\n -H \"x-api-key: $ANTHROPIC_API_KEY\" -H \"anthropic-version: 2023-06-01\" -H \"content-type: application/json\" \\\n -d '{\"model\":\"claude-haiku-4-5\",\"max_tokens\":16000,\"messages\":[{\"role\":\"user\",\"content\":\"Hello\"}]}'\n```\n\nSources:\n- Model page: https://platform.claude.com/docs/en/models/haiku-4-5/overview\n- Announcement: https://www.anthropic.com/news/claude-haiku-4-5\n- Pricing: https://platform.claude.com/docs/en/about-claude/pricing\n- Models overview: https://platform.claude.com/docs/en/about-claude/models/overview\n- Deprecations: https://platform.claude.com/docs/en/about-claude/model-deprecations","page_url":"https://postcutoff.com/m/claude-haiku-4-5/","events_after":2030,"major_after":473,"historic_after":90,"missing_at_launch":40,"events_since_release":null,"you_url":"https://postcutoff.com/you/claude-haiku-4-5/","briefings":{"xs":"https://postcutoff.com/briefings/cutoff-2025-02-xs.md","s":"https://postcutoff.com/briefings/cutoff-2025-02-s.md","m":"https://postcutoff.com/briefings/cutoff-2025-02-m.md","full":"https://postcutoff.com/briefings/cutoff-2025-02.md"}}