sightings

Freebuff

freebuff.comfreebuff.com
establishedexternal

Site: freebuff.com

Also seen as: Zazen (Freebuff fork)

Sightings observed Freebuff with 13 models in OpenRouter-published model-page evidence. The app was first observed by Sightings on ; relationship dates record when Sightings first saw each pairing, not when usage began.

Global rank
#7
public app rankings
Tokens · yday
249.8B
closed UTC day
Models observed
13
model pages expose top 5
First observed
2026-08-05
by Sightings

What it is

Freebuff is the free coding agent: a free CLI coding agent and Freebuff Web, the free way to build full-stack apps. No subscription, no setup, no lock-in. The free alternative to Claude Code, Cursor, Codex, Lovable, Replit, Bolt, Windsurf, and Devin.

↗ freebuff.com

Models observed with this app

Early adopter — relationship first observed within 30 days of the model's OpenRouter listing. First-observed dates are when Sightings first saw the pairing, not the start of an app's model usage.

ModelTokens · latestFirst observed
Meta: Muse Spark 1.3 Contributormeta/muse-spark-1.3-contributor627B
OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna414B
Xiaomi: MiMo-V2.6-Proxiaomi/mimo-v2.6-proearly adopter356B
Anthropic: Claude Haiku 5.5anthropic/claude-haiku-5.5early adopter186B
OpenAI: GPT-6.1 Solopenai/gpt-6.1-solearly adopter149B
Xiaomi: MiMo-V2.5xiaomi/mimo-v2.561.5B
Google: Gemini 4 Argongoogle/gemini-4-argonearly adopter50.8B
Google: Gemini 3.5 Flash Litegoogle/gemini-3.5-flash-lite34.7B
Inception: Mercury 3inception/mercury-3early adopter579M
OpenAI: GPT-6 Lunaopenai/gpt-6-lunaearly adopter1.54T
Upstage: Solar Mini 4upstage/solar-mini4early adopter1.01T
Upstage: Solar Pro 4upstage/solar-pro4early adopter2.01T
Xiaomi: MiMo-V2.6-Flashxiaomi/mimo-v2.6-flashearly adopter3.15T