Yi 1 9B
yi-1-9b
Last refreshed 2026-05-19. Next refresh: weekly.
Yi 1 9B has model metadata, but missing tracked provider pricing keeps it from being a default production pick.
Decision context: Coding task fit, 0 tracked provider routes, and research from 2026-05-19.
Use it for
- Teams evaluating general LLM work
- Workloads that can use a 4K context window
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
Cheapest output
-
No tracked output price
Provider routes
0
No provider route in seed
Quality / dollar
Unknown
No task benchmark coverage yet
Freshness
2026-05-19
Researched 2d ago
Top use-case fit
No primary decision-task fit is mapped for this model yet.
Provider price ladder
No tracked provider token pricing is available for this model yet.
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.
About
Yi 1 9B is 01.AI's Yi (2023/11) model. Weights are openly available for self-hosting.
Yi 1 9B has a 4K-token context window.
Capabilities
No model capability flags are currently sourced.
