LLM Reference

Yi 34B

Released
2023-11-02
Last refreshed
2026-06-15
Status
Researched 93d ago
Open sourceCommercial use: permittedCodingRAGLong contextClassificationJSON / Tool use

Yi 34B is worth evaluating for coding, rag, and long context when its provider route and context window match the workload.

Use it for

  • Teams evaluating coding, rag, and long context
  • Workloads that can use a 200k context window
  • Buyers comparing 4 tracked provider routes

Do not use it for

  • Vision or document-understanding workloads
Specifications
Released
2023-11-02
Context
200k
Parameters
34B
Architecture
Decoder Only
Knowledge cutoff
2024-03
Specialization
general
Openness
Open source
License
Apache 2.0OSI-approvedCommercial use: permitted
Weights
Unknown
Code
Unknown
Training
Fine-tuned
Created by

Developing AI for creative and generative tasks.

Beijing, China
Founded 2023
Website
Pricing
Output / 1M
$0.380
Input / 1M
$0.250

Cheapest of 5 routes · DeepInfra

About

Yi 34B is 01.AI's Yi (2023/11) model. It offers a 200K-token context window and scores 43 on MMLU PRO.

Top use-case fit: coding, agents, and build tasks

Coding

Q/$ B

1 relevant benchmark in the decision map.

RAG

Included by capability and metadata signals in the decision map.

Long context

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare all 5

Compare API pricing across 4 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
DeepInfra$0.250$0.380
Serverless
Fireworks AI$0.900$0.900
Provisioned
Replicate API$0.200$1.00
Serverless
Alibaba Cloud PAI-EAS--
ServerlessPartial

Available via routers & gateways(1)

Capabilities

Structured Outputs

Benchmark peer barsfor Coding

Benchmark scores(3)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
HumanEval60.0pass@1Observed 2026-03-06Source
Massive Multitask Language Understanding73.25-shotObserved 2026-03-06Source
MMLU PRO43.0Observed 2026-04-14Source

Migration checks

No linked migration route is available for this model yet.