Granite 4.1 8B Base
Granite 4.1 8B Base is a released long context model with open-source and 512k context; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating long context
- Workloads that can use a 512k 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
- Family
- Granite 4.1
- Released
- 2026-04-29
- Context
- 512k
- Parameters
- 8B
- Architecture
- Decoder Only
- Openness
- Open source
- License
- Apache 2.0OSI-approvedCommercial use: permitted
- Weights
- Available
- Code
- Unknown
No tracked provider token pricing is available yet.
About
IBM Granite 4.1 8B Base is the pre-training checkpoint for Granite 4.1 8B with extended 512K token context via long-context training phase. Dense decoder-only transformer. Supports code FIM. Apache 2.0.
Granite 4.1 8B Base is an open-source model in the Granite 4.1 family. The structured metadata tracks a 512k-token context window. No headline benchmark score is tracked for Granite 4.1 8B Base yet.
Top use-case fit
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
No model capability flags are currently sourced.
Benchmark peer barsfor Long context
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 Granite 4.1 8B Base?
Granite 4.1 8B Base has a context window of 512k tokens.
When was Granite 4.1 8B Base released?
Granite 4.1 8B Base was released on 2026-04-29.
No tracked provider token pricing is available yet.