Skip to main content
01.AIReleased May 13, 2024

Yi-1.5 34B

Open Source34B parameters

Yi-1.5 34B is 01.AI's entry in a crowded field. Context window: 0.004K tokens.

Context

4K

Input

Free (open)

Key Specifications

🏆

Arena Rank

Not disclosed

📐

Context Window

4K

📥

Input Price

per 1M tokens

Free (open)

📤

Output Price

per 1M tokens

Free (open)

🧠

Parameters

34B

🔓

Open Source

Yes

Best For

Bilingual tasksfine-tuningresearch

About Yi-1.5 34B

Yi-1.5 34B, developed by 01.AI, is an open-source model with 34 billion parameters and a 4K token context window delivering strong bilingual Chinese-English performance. The model handles general reasoning, content generation, and knowledge tasks competently, with particular attention to Chinese language understanding. Trained on a diverse multilingual corpus, Yi-1.5 34B performs well on both Chinese and English benchmarks while remaining deployable on standard enterprise GPU hardware. Free and open-source, it supports fine-tuning for domain-specific applications in Chinese enterprise environments. The model represents 01.AI's contribution to the open-source AI community, providing a capable bilingual foundation that researchers and developers can build upon. Yi-1.5 34B occupies a practical middle ground between smaller models and frontier-scale systems for organizations needing Chinese-English AI capabilities.

Built by01.AI

Pricing per 1M tokens

Input Tokens

Free (open)

Output Tokens

Free (open)

Other 01.AI Models

Frequently Asked Questions

What is Yi-1.5 34B?
Yi-1.5 34B, developed by 01.AI, is an open-source model with 34 billion parameters and a 4K token context window delivering strong bilingual Chinese-English performance. The model handles general reasoning, content generation, and knowledge tasks competently, with particular attention to Chinese language understanding. Trained on a diverse multilingual corpus, Yi-1.5 34B performs well on both Chinese and English benchmarks while remaining deployable on standard enterprise GPU hardware. Free and open-source, it supports fine-tuning for domain-specific applications in Chinese enterprise environments. The model represents 01.AI's contribution to the open-source AI community, providing a capable bilingual foundation that researchers and developers can build upon. Yi-1.5 34B occupies a practical middle ground between smaller models and frontier-scale systems for organizations needing Chinese-English AI capabilities.
How much does Yi-1.5 34B cost?
Input pricing for Yi-1.5 34B is Free (open) per million tokens; output runs Free (open). Token-based pricing means you can scale up or down without a fixed commitment.
What is Yi-1.5 34B's context window?
The context window for Yi-1.5 34B is 4K tokens. That's the maximum amount of text you can feed into a single prompt, including system instructions, conversation history, and the actual query.
Is Yi-1.5 34B open source?
Yi-1.5 34B is fully open source. You can grab the weights, run it on your own hardware, and fine-tune it for specific tasks. That flexibility is a big deal for teams with strict data requirements.
What is Yi-1.5 34B best for?
The sweet spot for Yi-1.5 34B is: Bilingual tasks, fine-tuning, research. If your workload fits one of these categories, it's worth benchmarking against alternatives.