Mercury 2.5
The release added a larger context window, parallel tool calls and schema-aligned JSON. Inception says customer feedback and production failures informed its training.
Deprecated API; check access details
What this generation added
The release added a larger context window, parallel tool calls and schema-aligned JSON. Inception says customer feedback and production failures informed its training.Inception: Introducing Mercury 2.5
Legacy access ends on a stated date
New users cannot access this model. Customers with usage before 19 October 2026 retain access until 15 November 2026. Enterprise agreements can provide continued support.Inception model access and retirement notice
Prepare a measured migration
Practical guidance. Compare complete outputs, schema compliance and failure cases on representative requests before you change an application's model.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Status | Deprecated API; check access details |
| Access | API |
| Model identifiers | mercury-2.5 |
| Context window | 260,000 tokens Advertised context. Inception: Introducing Mercury 2.5 |
| Maximum output | 65,536 tokens API output limit. Inception Platform model specifications |
| Input price | 0.2 USD per million tokens Current legacy rate. Inception Platform model specifications |
| Output price | 0.75 USD per million tokens Current legacy rate. Inception Platform model specifications |