Last refreshed 2026-06-15. Next refresh: weekly.
Why use Granite 4.1 8B on OpenRouter?
OpenRouter offers Granite 4.1 8B with pay-as-you-go pricing at $0.05/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Input / 1M
$0.050
Output / 1M
$0.10
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: ibm-granite/granite-4.1-8bModel ID
ibm-granite/granite-4.1-8bRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
ibm-granite/granite-4.1-8b.Gotchas
- Use provider model ID "ibm-granite/granite-4.1-8b", not the LLMReference slug "granite-4.1-8b".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.05 |
| Output tokens | $0.10 |
Capabilities
No model capability flags are currently sourced.
About Granite 4.1 8B
IBM Granite 4.1 8B is a dense decoder-only transformer instruct model with 40 layers, 4096 embedding size, GQA (32 attention heads, 8 KV heads). Supports multilingual dialog (12 languages), code with FIM, tool-calling/function-calling, RAG, and summarization. Trained on NVIDIA GB200 NVL72 cluster. Apache 2.0. Benchmarks: MMLU 73.84, HumanEval 85.37, GSM8K 92.49, BFCL v3 68.27.
Get Started
Model Specs
Released2026-04-29
Parameters8B
Context131k
ArchitectureDecoder Only