Model specification · Inception

Mercury 2.5

inception/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...

SpecificationsReported values
Context window
260K
Maximum output
66K
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
—
Moderated
No
Input modalities
text
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$0.040 / M
Output$0.150 / M
Benchmark indexesReported indexes
Intelligence
12.3
Coding
—
Agentic
—
Design Arena Elo
—
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.00055
Long analysis100K / 4K × 150%$0.00280
Workday20K / 2K × 1,00030%$0.884