Anthropic · Fast / lightweight
Claude Haiku 5.5 New
1M token context window (Haiku 4.5 had less)
- Provider
- Anthropic
- Family
- Claude
- Model type
- Fast / lightweight
- Official release date
- Oct 7, 2026
- Release type
- New model
- Status
- Generally available
- Previous version
- Claude Haiku 4.5
- Input
- text, image
- Output
- text
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- API model id
claude-haiku-5-5- API price (input)
- $0.10 per 1M tokens
- API price (output)
- $0.50 per 1M tokens
- Price notes
- For prompts up to 100K tokens; prompts over 100K cost $0.50 input / $2.50 output.
- Consumer apps
- —
- Developer API
- Claude API, Amazon Bedrock, Google Cloud, Microsoft Foundry, Claude Platform on AWS
- Free access
- None documented
- Paid access
- —
- Availability
- —
- Licence
- proprietary
Main improvements
- 1M token context window (Haiku 4.5 had less)
- Adaptive thinking
- Prompt-length-based pricing
Best use cases
- Classification
- Extraction
- Routing
- High-volume tasks
Benchmarks
No benchmark results recorded. We only list scores with a source, benchmark version and date.
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