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

List pricing

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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

Discount history

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Model details

Input: text
Output: text
Context window: 260,000 tokens
Maximum output: 65,536 tokens
Availability: Unknown
Updated: 11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingTool callingReasoningJSON mode

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools