LLM Reference

Yi 9B

Released
2024-03-06
Last refreshed
2026-05-19
Status
Researched 60d ago
Open sourceCommercial use: permitted

Yi 9B is worth evaluating for general LLM work when its provider route and context window match the workload.

Use it for

  • Teams evaluating general LLM work
  • Workloads that can use a 4k context window
  • Buyers comparing 1 tracked provider route

Do not use it for

  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Released
2024-03-06
Context
4k
Parameters
9B
Architecture
Decoder Only
Knowledge cutoff
2023-06
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
$0.200
Input / 1M
$0.200

Cheapest of 1 route · Fireworks AI

About

9B enhanced bilingual model from the Yi series trained on 3.9T tokens with significant improvements in coding and math tasks. Offers strong dual-language performance for production applications.

Yi 9B is an open-source model in the Yi (2023/11) family. The structured metadata tracks a 4k-token context window. This page tracks provider routes through Fireworks AI, with the cheapest tracked route listed at $0.2 input and $0.2 output per 1M tokens. No headline benchmark score is tracked for Yi 9B yet.

Top use-case fit

No primary decision-task fit is mapped for this model yet.

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
Fireworks AI$0.200$0.200
Serverless

Available via routers & gateways(1)

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Yi 9B?

Yi 9B has a context window of 4k tokens.

How much does Yi 9B cost?

Yi 9B is available at $0.2/1M input tokens through Fireworks AI.

When was Yi 9B released?

Yi 9B was released on 2024-03-06.

Which providers offer Yi 9B?

Yi 9B is available from 1 provider: Fireworks AI.