Skip to contentx402 is live on Robinhood Chain: agents can now pay for any model, per call, in USDG →
OmniRail
← All models

Anthropic · Language model

Claude Haiku Latest

~anthropic/claude-haiku-latest
  • Language
Released Apr 27, 2026

This model always redirects to the latest model in the Claude Haiku family.

Specifications

Context window
200,000 tokens
Max output
64,000 tokens
Input
text, image, file
Output
text
Reasoning
supported
Tokenizer
Router

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • max_completion_tokens
  • max_tokens
  • reasoning
  • response_format
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"~anthropic/claude-haiku-latest","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'