Yi-1.5 34B
Open Weights
01.AI
01.AI's open bilingual model (May 2024), continuously pretrained on Yi with 500B additional high-quality tokens and fine-tuned on 3M samples for stronger coding, math, reasoning, and instruction following. Available in 6B/9B/34B sizes with context options up to 32K.
Strengths
- Open bilingual (English/Chinese) model under Apache 2.0
- Stronger coding, math, and reasoning than Yi
- Context options up to 32K
- Available in 6B, 9B, and 34B sizes
- 34B runs on a single high-end GPU when quantized
Caveats
- Superseded by newer open models on some benchmarks
- Text-only (no vision or audio input)
- Smaller ecosystem than Llama/Qwen
- Vendor
- 01.AI
- Context Window
- 32,768 tokens
- License
- Apache-2.0
- Release Date
- 2024-05-12
- Modalities
- text
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
Open weights under Apache 2.0 - free to download and self-host; 34B runs on a single high-end GPU (quantized).