Inception · Model identity
Mercury 2.5
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...
1pricing route
What published route metadata supports
CachingReasoningStructured outputTool use
Input modalities
Text
Supported API parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-09-08
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare Mercury 2.5 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | inception/mercury-2.5 | $0.04 | $0.004 | $0.15 | 260K | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
- Sep 9, 2026OpenRouter · Standard
New pricing route added