Mercury 2.5
Latest reasoning diffusion model for fast chat, agents and structured workflows.
Specs
- Context
- 260K
- Max output
- 65.5K
- Input price
- $0.2/ 1M tokens
- Output price
- $0.75/ 1M tokens
- Released
- 2026-09-08
Context
- Context window
- 260K
- Max input
- —
- Max output
- 65.5K
Pricing · USD / 1M tokens
- Input
- $0.2
- Output
- $0.75
- Cache read
- $0.02
- Cache write
- —
Modalities
- Input
- Text
- Output
- Text
API
- API types
Reasoning
- Reasoning
- Yes
- Levels
Info
- Status
- Active
- Released
- 2026-09-08
- Knowledge cutoff
- —
Features
- Confirmed
How to call
1 provider
inceptionmodel = mercury-2.5reasoning = reasoning_effort
chat
POSThttps://api.inceptionlabs.ai/v1/chat/completions
JSON
Standard format
{
"id": "mercury-2.5",
"object": "model",
"created": 1788825600,
"owned_by": "inception",
"name": "Mercury 2.5",
"api": {
"types": [
"chat"
]
},
"limits": {
"context": 260000,
"input": null,
"output": 65536
},
"modalities": {
"input": [
"text"
],
"output": [
"text"
]
},
"reasoning": {
"supported": true,
"efforts": [
"instant",
"low",
"medium",
"high"
]
},
"pricing": {
"currency": "USD",
"unit": "1M_tokens",
"input": 0.2,
"output": 0.75,
"cache_read": 0.02,
"cache_write": null
},
"features": [
"tools",
"structured_output",
"streaming"
],
"info": {
"status": "active",
"release_date": "2026-09-08",
"knowledge_cutoff": null,
"description": "Latest reasoning diffusion model for fast chat, agents and structured workflows.",
"docs": "https://docs.inceptionlabs.ai/get-started/models",
"verified_at": "2026-10-11"
}
}Official sources
5
Models | Inception Docsdocs.inceptionlabs.ai2026-10-11Reasoning Efforts | Inception Docsdocs.inceptionlabs.ai2026-10-11Inception API OpenAPI specificationapi.inceptionlabs.ai2026-10-11List available models | Inception APIapi.inceptionlabs.ai2026-10-11Introducing Mercury 2.5 - Inception Blogwww.inceptionlabs.ai2026-10-11