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

Writer · Language model

Palmyra X5

writer/palmyra-x5
  • Language
Released Jan 21, 2026

Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million...

Specifications

Context window
1,040,000 tokens
Max output
8,192 tokens
Input
text
Output
text
Tokenizer
Other
Moderation
provider-moderated

Supported parameters

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

  • max_tokens
  • stop
  • temperature
  • 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":"writer/palmyra-x5","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'