Last refreshed 2026-10-19. Next refresh: weekly.
Why use Mercury 2.5 on OpenRouter?
OpenRouter offers Mercury 2.5 with pay-as-you-go pricing at $0.04/1M 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.
Compare Mercury 2.5 across 3 providers to find the best fit for your use caseInput / 1M
$0.040
Output / 1M
$0.15
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: inception/mercury-2.5Model ID
inception/mercury-2.5Request example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
inception/mercury-2.5.Gotchas
- Use provider model ID "inception/mercury-2.5", not the LLMReference slug "mercury-2.5".
Compare Mercury 2.5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Inception | $0.20 | $0.75 |
| Vercel AI Gateway | $0.04 | $0.15 |
| OpenRouter | $0.04 | $0.15 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.04 |
| Output tokens | $0.15 |
Capabilities
ReasoningJSON / Tool useStructured Outputs
About Mercury 2.5
Mercury 2.5 is Inception Labs' diffusion LLM GA (API id mercury-2.5). 260K context, 65,536 max output. Tunable reasoning, tool calling, structured outputs. Distinct from Mercury 2.5 Preview. Docs list $0.20/$0.75 per 1M; launch promo $0.04/$0.15 still on API/OR.
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Model Specs
Released2026-09-08
Context260K