Claude Haiku 5.5 API
Use 1M context with one OmniaKey API key.
- Model ID
- claude-haiku-5-5
- Context
- 1M
- Provider
- Anthropic
- Input · USD / 1M tokens
- <=100K$0.08 USD>100K$0.4 USD
- Official price $0.1 USD
- Output · USD / 1M tokens
- <=100K$0.4 USD>100K$2 USD
- Official price $0.5 USD
- Savings
- 20%
- Last verified
- 2026-10-08
Playground
Use this model with your OmniaKey account.
What are we making today?
Bring an idea, a question, or a first draft.
01
Where it fits
Choose it for high-volume, latency-sensitive agent calls that still need long context, then compare it with Haiku 4.5 before switching.
02
Model capabilities
Vision
Accepts visual input alongside text for multimodal coding and analysis tasks.
Tool use
Can select and call tools in agent workflows that support structured tool use.
Fast responses
Optimized for responsive iteration and higher-volume agent tasks.
Adaptive thinking
Adjusts reasoning effort to the difficulty of the request.
03
OpenAI-compatible API
Keep your client and change the base URL, API key, and model ID.
curl https://api.omniakey.com/v1/chat/completions \
-H "Authorization: Bearer $OMNIAKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-haiku-5-5",
"messages": [{"role": "user", "content": "Explain this codebase"}],
"stream": true
}'04
Compatible coding tools
More Anthropic models
Frequently asked questions
How much does Claude Haiku 5.5 cost on OmniaKey?
Rates vary with input context length: <=100K: Input $0.08 USD, Output $0.4 USD, Cache hit / 1M $0.008 USD; >100K: Input $0.4 USD, Output $2 USD, Cache hit / 1M $0.04 USD.
What is the context window for Claude Haiku 5.5?
The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.
Which coding tools work with Claude Haiku 5.5?
The current catalog lists compatibility with Claude Code, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.