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Inception · Language model

Mercury 3

inception/mercury-3
  • Language
Released Oct 16, 2026

Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date. It is suited for agentic workflows and real-time applications where latency compounds, such...

Specifications

Context window
1,000,000 tokens
Max output
131,072 tokens
Input
text
Output
text
Reasoning effort
high, medium, low, none
Tokenizer
Other

Supported parameters

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

  • max_tokens
  • reasoning
  • reasoning_effort
  • response_format
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools

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":"inception/mercury-3","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'