MiscSubjects

Inception: Mercury 2

Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM).

InceptionMercury 2
inception/mercury-2
2026-03-04text->textreasoning: high / medium / low / none
Coding index
31.1
Artificial Analysis
Agentic index
1.6
Artificial Analysis
Design Arena
986 Elo · #74
asciiart · 24.2% wins
Input
$0.25
per 1M tokens
Output
$0.75
per 1M tokens
Cached input
$0.02
per 1M tokens
Context
128K
tokens it reads
Max output
50K
tokens it writes
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM). Instead of generating tokens sequentially, Mercury 2 produces and refines multiple tokens in parallel, achieving...
inspect — the catalog entry
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      {
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      {
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      {
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}
openrouter.ai/inception/mercury-2
References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/inception/mercury-2
Model id
inception/mercury-2
Name
Inception: Mercury 2
Description
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM).
Family
inception
Canonical slug
inception/mercury-2-20260304
Price in
0.25
Price out
0.75
Price cache read
0.024999999999999998
Price cache write
null
Price cache write 1h
null
Price web search
null
Price overrides
[]
Context
128000
Max completion tokens
50000
Modality
text->text
Input modalities
["text"]
Output modalities
["text"]
Tokenizer
Other
Knowledge cutoff
null
Created
1772636275
Moderated
false
Params
["include_reasoning","max_tokens","reasoning","reasoning_effort","response_format","stop","structured_outputs","temperature","tool_choice","tools"]
Default parameters
{"temperature":0.75,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}
Tools
true
Reasoning
true
Reasoning efforts
["high","medium","low","none"]
Reasoning default effort
medium
Reasoning mandatory
false
Reasoning default enabled
true
Vision
false
Expiration date
2026-11-08

Connected subjects

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Page dataOpen JSON
page.json
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