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IMercury 2API

Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM).

128KContext window · tokens
$0.25Input price · per M tokens
$0.75Output price · per M tokens
InceptionProvider

Prices update automatically — checked daily against provider list prices.

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Benchmarks & performance

Independent benchmark scores for Mercury 2, measured by Artificial Analysis. Higher is better.

GPQA77%
Humanity's Last Exam17.1%
Long Context Reasoning43.7%
SciCode37.7%
IFBench69.8%
τ²-Bench70.8%
τ-Bench Banking9.5%
Terminal-Bench27.3%
Terminal-Bench Hard26.5%
💰 Blended price$0.375 / 1M tokens
Benchmark data by Artificial Analysis

About this model

Mercury 2 is a commercial AI model by Inception. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.

Frequently asked questions

What is Mercury 2?

Mercury 2 is an AI language model from Inception. It is a proprietary model, available through an API.

Is Mercury 2 free?

Mercury 2 is not free: it costs $0.25 per million input tokens and $0.75 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.

What is Mercury 2 good at?

Independent benchmarks from Artificial Analysis give it GPQA 77%, Humanity's Last Exam 17.1%, Long Context Reasoning 43.7%, SciCode 37.7%, IFBench 69.8%, τ²-Bench 70.8%, τ-Bench Banking 9.5%, Terminal-Bench 27.3%, Terminal-Bench Hard 26.5%.

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