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AI Desk · Model IdentityNew arrival

Inception: Mercury 2.5

inception/mercury-2.5 · InceptionNot yet established
Declared family
Unknown
Evidence confidence
Unknown
Declared tokenizer tag
Other
Entered catalogue
8 September 2026
Last tested
Not yet measured
Measurement
Awaiting measurement

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureNot measured
API surfaceIdentical contract to 1 other entryapi_20ca7341
Context and output260,000 context · 65,536 max outputdeclared
Reasoning contractOptional · efforts high, medium, low, none · default mediumdeclared
Serving providers observedNone recorded yet

Declared record

What the catalogue claims about this model

Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, achieving...

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.04 / M tokens
Completion price
$0.15 / M tokens

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools

defaults: {}

Catalogue entry

History

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

Cite this page as the evidence record for Inception: Mercury 2.5: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings.