Every change to the models behind our ids, newest first. Each entry has its date (UTC). Pinned ids and retirement dates: see Model versions and pinning.
Announced: s1-pro moves on 5 November 2026; older pinned ids retire on 1 December 2026
On 5 November 2026, s1-pro moves to mammoth-1 (s1-pro-5). s1-fast and s1-vision stay on Blink v0.3. These pinned ids retire on 1 December 2026 and then return HTTP 410 model_retired: s1-pro-3 (vLLM-SR d3) → s1-pro-5, s1-pro-4 (vLLM-SR d3-turbo) → s1-pro-5, s1-pro-2 (Perplexity Decider v1.1) → s1-pro-5. Same API and prices. Need a fixed version for longer? Write to info@productivity-boost.com.
Staged rollout: new model for s1-pro
A share of s1-pro requests is now answered by mammoth-1 (pinned id s1-pro-5, by baselabs, MIT licence, served in FP8). s1-pro-4 stays available; its staged rollout remains paused. Same API and prices. model_version shows which model answered.
Staged rollout of vLLM-SR d3-turbo paused
From 15:21 UTC all s1-pro requests are answered by vLLM-SR d3 again; the staged rollout of vLLM-SR d3-turbo (s1-pro-4) is paused. s1-pro-3 stays pinned to vLLM-SR d3. Same API and price.
Staged rollout of vLLM-SR d3-turbo widened
From 08:26 UTC, about a quarter of s1-pro requests were answered by vLLM-SR d3-turbo (pinned id s1-pro-4); the rest were answered by vLLM-SR d3. s1-pro-3 stays pinned to vLLM-SR d3. Same API and price. model_version shows which model answered.
Staged rollout of vLLM-SR d3-turbo on s1-pro started
A share of s1-pro requests is answered by vLLM-SR d3-turbo (pinned id s1-pro-4); the rest are answered by vLLM-SR d3. s1-pro-3 stays pinned to vLLM-SR d3. Same API and price.
REAX 1 launched
REAX 1 by Decision Models is available as reax-1 (alias of the current REAX 1 release) and as the pinned id reax-1-20261021. Text only, billed at the s1-pro list rate.
s1-pro now runs vLLM-SR d3
s1-pro is answered by vLLM-SR d3 (Apache-2.0), pinned id s1-pro-3. The previous version, Perplexity Decider v1.1, stays available as the pinned id s1-pro-2 until at least 11 November 2026. Prices unchanged.
New model lineup
s1-fast and s1-vision are answered by Blink v0.3 26B-A4B, s1-pro by Perplexity Decider v1.1, and quyet-1-large (Quyet-1.0-Large by Chinh Nguyen) was added. The ids s1-pro-1, s1-fast-1 and s1-vision-1 are retired and are answered by the current models.
