Last refreshed 2026-09-01. Next refresh: weekly.
Why use Mercury 2.5 Preview on OpenRouter?
OpenRouter offers Mercury 2.5 Preview with pay-as-you-go pricing at $0.20/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: inception/mercury-2.5-previewinception/mercury-2.5-previewRequest example
inception/mercury-2.5-preview.Gotchas
- Use provider model ID "inception/mercury-2.5-preview", not the LLMReference slug "mercury-2.5-preview".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.20 |
| Output tokens | $0.75 |
Capabilities
About Mercury 2.5 Preview
Inception Mercury 2.5 (Preview) is a reasoning diffusion LLM (dLLM) listed on Inception's models page as the lab's most intelligent reasoning dLLM at its lowest list price. First-party product page (inceptionlabs.ai/models, retrieved 2026-09-01): 256K context window; reasoning, tool use, and structured output; use cases rapid coding iteration, agents/subagents, customer support, and enterprise search. List pricing on that page: USD 0.20 / 1M input, USD 0.02 / 1M cached input, USD 0.75 / 1M output. Site banner: live on OpenRouter.