Inception

Inception: Mercury 2.5 Preview

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...

mercury-2.5-preview

Catalog preview. Paid requests for this model are not enabled yet.

List pricing

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USD. No uRouter markup. Live prices can change.

Input: $0.04 / 1,000,000 tokens
Output: $0.15 / 1,000,000 tokens
Cache read: $0.004 / 1,000,000 tokens

How pricing works

Model details

Input: text
Output: text
Context window: 260,000 tokens
Maximum output: 65,536 tokens
Availability: Unknown
Updated: 11/8/2026, 2:16:16 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

chatstreamingtoolsreasoningjson mode

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools

Listed capabilities describe the model. uRouter execution support is verified separately.