Claude Haiku 5.5
- TYPE
- Model
- SIGNALS
- 5
- FIRST SEEN
- Sep 28, 2026
- LAST SEEN
- Oct 19, 2026
Recent signals
- Inception debuts Mercury 3, a diffusion LLM that it says tops GPT-6 Luna, Claude Haiku 5.5, and GLM-5.3 Flash on agentic benchmarks while being 4x to 8x faster (Jason Hiner/The Deep View) Oct 19, 2026
- AWS Weekly Roundup: Prime Day 2026 by the numbers, Claude Haiku 5.5, Amazon Nova 2.5 Sonic, and more (October 13, 2026) | Amazon Web Services Oct 13, 2026
- Anthropic prices Haiku 5.5 at $0.10/1M input and $0.50/1M output tokens for requests up to 100K tokens, and $0.50 and $2.50 above, vs. $1 and $5 for Haiku 4.5 (Frederic Lardinois/The New Stack) Oct 7, 2026
- Anthropic launches Claude Haiku 5.5, the first Haiku model with effort controls, for high-volume, cost-sensitive tasks like summary and classification requests (Anthropic) Oct 7, 2026
- Anthropic releases Sonnet 5.5, saying it generates outputs 30%+ faster than Sonnet 5 and costs up to 30% less per task, and plans to release Haiku 5.5 soon (Anthropic) Sep 28, 2026