01.AI
01.AI
Frontier

Yi-34B

Open Base

Open-weights Yi-34B base. Designed for downstream fine-tuning rather than direct chat use.

Yi-34B is a frontier AI model from 01.AI. It costs $0.800 per million input tokens and $0.800 per million output tokens (blended $0.800/M), with a 4,000-token context window.

INPUT
$0.800/M
per million input tokens
OUTPUT
$0.800/M
per million output tokens
BLENDED 70/30
$0.800/M
unchanged since 3 May
CONTEXT
4,000
tokens
What it is good at
  • Open-weights base
  • Strong bilingual base
  • 200K-context variants available
Typical use cases
  • Fine-tune base
  • Continued pretraining experiments

Benchmarks

vs. best public score
Scores inherited from Yi-34B — this is a hosted variant of the same open-weights model, so the underlying benchmark scores are identical.
MMLU73%
Multitask academic knowledge across 57 subjects.
Python function synthesis from docstrings.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.

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Frequently asked questions

How much does Yi-34B cost?

Yi-34B costs $0.800 per million input tokens and $0.800 per million output tokens, for a blended reference rate of $0.800 per million tokens.

What is Yi-34B's context window?

Yi-34B supports up to 4,000 tokens of context in a single request.

What is Yi-34B best for?

Yi-34B is well suited to Open-weights base, Strong bilingual base and 200K-context variants available.

Who makes Yi-34B?

Yi-34B is developed and served by 01.AI. It was released in Nov 2023.

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