by Inception

Inception: Mercury 2.5 Preview.

text closed 260K ctx
Cheapest input
$0.04/M
on OpenRouter
Cheapest output
$0.15/M
on OpenRouter
Hosted equiv.
~$0.05/hr
@ 100 tok/s on OpenRouter

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...

Hosted API only

No self-host path — closed weights.

Inception: Mercury 2.5 Preview's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.04 $0.15 Launch ↗
FAQ

Frequently asked.

How do I run Inception: Mercury 2.5 Preview?
Inception: Mercury 2.5 Preview is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access Inception: Mercury 2.5 Preview?
Inception: Mercury 2.5 Preview is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Inception: Mercury 2.5 Preview?
API pricing starts at $0.04/M input tokens and $0.15/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Inception: Mercury 2.5 Preview open-source or proprietary?
Inception: Mercury 2.5 Preview is a proprietary model from Inception. Access is API-only — there are no public weights to download.