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[ARTICLE · art-128821] src=trackllm.net ↗ pub= topic=ai-infrastructure verified=true sentiment=· neutral

Show HN: TrackLLM: Are the LLM APIs you rely on stable?

TrackLLM, a monitoring project posted to Hacker News, reports that 839 of 1,743 cataloged LLM API endpoints are being tracked and that 191 changes occurred across 150 endpoints, with probe-prompt outputs shifting as recently as 11 Sep at total variation values of 0.20 and 0.23. The dashboard lists changed endpoints including Tencent's hy3 on atlas-cloud/fp8 (3 changes, last change 28 Aug), Anthropic's claude-sonnet-4.5 on claude-on-aws (2 changes, 9 Sep), DeepSeek's deepseek-v4-flash-0731 on streamlake/fp8 (2 changes, 1 Sep), and Z.ai's glm-5.2 across cloudflare, gmicloud/fp8, together, and z-ai/fp8 (2 changes each). The tracking data matters because it gives developers a public record of how much hosted model behavior drifts from baseline over time.

read1 min views1 publishedSep 14, 2026

11 Sep

Probe-prompt outputs shifted (total variation 0.20) B3IT

11 Sep

Probe-prompt outputs shifted (total variation 0.23) B3IT

10 Sep

Probe-prompt outputs shifted (total variation 0.38) B3IT

9 Sep

Probe-prompt outputs shifted (total variation 0.21) B3IT

7 Sep

Probe-prompt outputs shifted (total variation 0.36) B3IT

5 Sep

Probe-prompt outputs shifted (total variation 0.28) B3IT

4 Sep

Probe-prompt outputs shifted (total variation 0.34) B3IT

3 Sep

Probe-prompt outputs shifted (total variation 0.55) B3IT

2 Sep

Probe-prompt outputs shifted (total variation 0.34) B3IT

[More…](changes.html)

[More…](providers.html)

## [Endpoints](endpoints.html)

839 endpoints monitored, of 1,743 in the catalog · 191 changes across 150 endpoints

All endpoints → | Endpoint | Status | Changes | Methods | Last change | Drift from baseline |

|---|---|---|---|---|---|
| [hy3](endpoints/tencent2fhy323atlas-cloud2ffp8.html)[atlas-cloud/fp8](providers/atlas-cloud.html) | changed | 3 | B3IT | 28 Aug |  | 
| [claude-sonnet-4.5](endpoints/anthropic2fclaude-sonnet-4.523claude-on-aws.html)[claude-on-aws](providers/claude-on-aws.html) | changed | 2 | B3IT | 9 Sep |  | 
| [deepseek-v4-flash-0731](endpoints/deepseek2fdeepseek-v4-flash-073123streamlake2ffp8.html)[streamlake/fp8](providers/streamlake.html) | changed | 2 | LTB3IT | 1 Sep |  | 
| [glm-5.2](endpoints/z-ai2fglm-5.223cloudflare.html)[cloudflare](providers/cloudflare.html) | changed | 2 | B3IT | 14 Aug |  | 
| [glm-5.2](endpoints/z-ai2fglm-5.223gmicloud2ffp8.html)[gmicloud/fp8](providers/gmicloud.html) | changed | 2 | LTB3IT | 29 Aug |  | 
| [glm-5.2](endpoints/z-ai2fglm-5.223together.html)[together](providers/together.html) | changed | 2 | B3IT | 24 Aug |  | 
| [glm-5.2](endpoints/z-ai2fglm-5.223z-ai2ffp8.html)[z-ai/fp8](providers/z-ai.html) | changed | 2 | B3IT | 19 Aug |  | 
| [gpt-4o-2024-05-13](endpoints/openai2fgpt-4o-2024-05-1323azure.html)[azure](providers/azure.html) | changed | 2 | LT | 21 May |  | 
| [gpt-4o-mini](endpoints/openai2fgpt-4o-mini23azure.html)[azure](providers/azure.html) | changed | 2 | LTB3IT | 23 May |  | 
| [hy3](endpoints/tencent2fhy323deepinfra2ffp8.html)[deepinfra/fp8](providers/deepinfra.html) | changed | 2 | B3IT | 20 Aug |  | 

[More…](endpoints.html)
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