Identity
- Status
- active
- Developer ID
ibm-granite/granite-4.1-8b- Released
- Apr 29, 2026
- Version
- granite-4.1-8b
- License
- apache-2.0
IBMGranite 4.1 8B
granite-4.1-8b is an open-weight language model published by IBM.
- Token context
- 131K tokens
- Inputs
- Text
- Outputs
- Text
- Released
- Apr 29, 2026
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
 OpenrouterAvailable | $0.050 | $0.10 | $0.050 | — | Sep 4, 2026 | Provider-reported |
Benchmarks
All benchmark results →| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e | 1,290.69 | — | 4,180 | granite-4.1-8b; 95% CI [1280.76464094, 1300.60785998]; votes 4180; rank 256unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- 131K tokens
- Maximum output
- Unknown
- Total parameters
- 8.8B
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text
- Outputs
- Text
- API available
- Yes
- Open weights
- Yes
- Self-hostable
- Yes
- Reasoning
- No
- Vision
- No
- Tool calling
- Yes
- Capabilities
- chat, generation, tools
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesibm-granite/granite-4.1-8b, ibm-granite/granite-4.1-8b
Explicit Unknowns
- Maximum output
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
ibm-granite/granite-4.1-8b developer model repositoryIBM · observed Aug 28, 2026OpenRouter ibm-granite/granite-4.1-8b model APIOpenRouter · observed Aug 28, 2026ibm-granite/granite-4.1-8b config.json at 1504002f650eIBM · observed Aug 28, 2026ibm-granite/granite-4.1-8b immutable Hub API metadataIBM · observed Aug 28, 2026ibm-granite/granite-4.1-8b README.md at 1504002f650eIBM · observed Aug 28, 2026ibm-granite/granite-4.1-8b tokenizer_config.json at 1504002f650eIBM · observed Aug 28, 2026Hugging Face catalogHugging Face · observed Sep 2, 2026Openrouter catalogOpenrouter · observed Oct 19, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
| vs | family variantstext | ||
| vs |  Bolmo 7BAi2 | cross-developer peerstext | |
| vs | cross-developer peerstext | ||
| vs | family variantstext | ||
| vs | family variantstext | ||
| vs | family variantstext | ||
| vs |  Llama 3.1 8BMeta | cross-developer peerstext | |
| vs | cross-developer peerstext | ||
| vs |  Phi-4 Mini InstructMicrosoft | cross-developer peerstext | |
| vs |  Ministral 3 8B Instruct 2512Mistral AI | cross-developer peerstext | |
| vs | Ministral 3 8B Reasoning 2512Mistral AI | cross-developer peerstext | |
| vs | Ministral 8B Instruct 2410Mistral AI | cross-developer peerstext |
Questions
Granite 4.1 8B FAQs
What is Granite 4.1 8B?+
granite-4.1-8b is an open-weight language model published by IBM. It is developed by IBM and its current sourced lifecycle status is active.
What inputs and outputs does Granite 4.1 8B support?+
Granite 4.1 8B's current record lists Text as input and Text as output.
How much context does Granite 4.1 8B support?+
The current record lists a 131K-token context window and does not report a maximum output length.
Is Granite 4.1 8B available through an API?+
Granite 4.1 8B is marked as API-available. The directly sourced provider records currently include Openrouter.
How large is Granite 4.1 8B?+
The current record lists 8.8B total parameters and an unknown active parameter count. Its architecture is GraniteForCausalLM.
What capabilities and tasks does Granite 4.1 8B support?+
Granite 4.1 8B's recorded capabilities are chat, generation, and tools. Its supported tasks are text.
How much does Granite 4.1 8B cost through an API?+
The lowest directly sourced prices currently attached to Granite 4.1 8B are $0.050 per million input tokens through Openrouter and $0.10 per million output tokens through Openrouter. Prices are provider-specific and should be checked against each cited observation date.
Can Granite 4.1 8B be self-hosted?+
Granite 4.1 8B is an open-weight model. Self-hosting is supported, and the recorded license is apache-2.0.
Does Granite 4.1 8B have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are ibm-granite/granite-4.1-8b.
Which models can Granite 4.1 8B be compared with?+
The current compatible peer set includes Granite 4.2 30B, Bolmo 7B, Olmo 3 7B Instruct, Granite 4.1 30B, and Granite 4.1 3B. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →