Language model

Ornith 1.5 35B A3B

DeepReinforce

Released: August 18, 2026
Data date: September 26, 2026

New in Ornith 1.5 35B A3B is the expanded self-improvement loop described by its model card. Tasks, agent scaffolds, and solution rollouts are jointly generated through reinforcement learning; 35 billion total parameters sit against about 3 billion active. A 262K context, reasoning, tool calling, and OpenAI-compatible serving target terminal coding while A3B limits active compute.

Specifications and access

Specification	Value and source
Weights	Open weightsSource
Access	APISource
Parameters	35 billionSource
Active parameters	3 billionSource
Context window	262,144 tokensSource
License	MITSource
Inputs	Text, ImageSource
Outputs	TextSource
Reasoning	YesSource
Tool calling	YesSource

Sources and data date

Type	Evidence and data date
Additional source	models.dev catalog (retrieved September 26, 2026)
Additional source	Hugging Face · Ornith 1.5 35B A3B model card · Editorial description reviewed October 2, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Creative Commons Attribution 4.0

Specifications and access

Popularity

Sources and data date