Writer: Palmyra X5

writer/palmyra-x5 · WriterNot yet established
Declared family
Unknown
Evidence confidence
Unknown
Declared tokenizer tag
Other
Entered catalogue
21 January 2026
Last tested
Not yet measured
Measurement
Awaiting measurement

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureNot measured
API surfaceNo other entry shares this exact contractapi_b4cad377
Context and output1,040,000 context · 8,192 max outputdeclared
Reasoning contractNone declareddeclared
Serving providers observedNone recorded yet

Declared record

What the catalogue claims about this model

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...

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.60 / M tokens
Completion price
$6.00 / M tokens

Supported parameters

max_tokensstoptemperaturetop_ktop_p

defaults: {"temperature":null,"top_p":null,"frequency_penalty":null}

Catalogue entry

History

Every observation, kept as taken
  • 21 January 2026Enters the OpenRouter catalogue with no declared family.

Cite this page as the evidence record for Writer: Palmyra X5: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.