# SunsetDiff (sunsetdiff.com)

Tracks shutdown dates and replacement models for AI provider models, with migration diffs and an iCal feed.

- Atlas card: https://inite.ai/en/atlas/sunsetdiff.com
- Site: https://sunsetdiff.com
- For: developers and teams calling AI model APIs who must plan for model shutdowns
- Use not measured/100 · alive 100/100

## Used for

- check which AI models shut down in the next 30 days
- find the replacement model for a retired model
- diagnose request errors after a provider model change

## Price

Not read yet.

## For developers

- OpenAPI: https://sunsetdiff.com/openapi.json (22 paths)
- API docs: https://sunsetdiff.com/api
- MCP server: com.sunsetdiff/sunsetdiff (namespace; open on 2026-10-29, 4 tools)
- Read 2026-10-29

## MCP server, measured daily

Server: https://sunsetdiff-api.onrender.com/mcp, checked every day since 2026-10-29 (6 checks).

- Answered: measuring, 6 daily checks so far
- Median first answer: 121 ms
- Sign-in: none
- Context its tool definitions take: about 307 tokens (4 tools)
- Tool definitions: C, 67/100
- Failing "params_described": 4 of 4 tools
- Failing "annotations": 4 of 4 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-29

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Source: INITE Atlas, https://inite.ai/en/atlas/sunsetdiff.com. JSON: https://inite.ai/api/atlas/sunsetdiff.com. MCP: https://inite.ai/api/mcp (atlas_lookup).