Mercury 2.5
Inception · 1 configuration
Intelligence12.3
Input / 1M$0.25
Output / 1M$0.75
Context260K
Tariff: Inception · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Compare this model’s measured thinking configurations.
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Efficient frontier: best measured score at each cost1 measured configurations · 0 without both values
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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...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
12.3 pointsHumanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
11.8 %SciCodeCode generation for scientific research problems.
38.5 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
22.7 %Specifications from the catalog
Inputtext
Outputtext
Tool callingYes
Structured outputYes
Speed636.9 tok/s
First token3.53 s
Maximum output65.5K
Catalog listing date2026-09-08