Mercury 2.5
language modelInception
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...
Key facts
| Made by | Inception |
|---|---|
| Type | language model |
| Released | September 8, 2026 |
| Reads at once | 260,000 tokens |
| Price (API, per million tokens) | $0.04 in · $0.15 out |
| Input → output | text → text |
Questions about Mercury 2.5
Who makes Mercury 2.5?
Mercury 2.5 is made by Inception.
When was Mercury 2.5 released?
We first saw Mercury 2.5 listed on September 8, 2026.
How much does Mercury 2.5 cost?
Through OpenRouter it costs $0.04 per million input tokens and $0.15 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Mercury 2.5 read at once?
Up to 260,000 tokens, roughly 195K words.
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