Olmo-3.1-32B-Instruct
Official · BF16 · safetensors
Runtime certified: Transformers
| Precision / quantization | Format | Bits | Publisher trust | Deployment state |
|---|---|---|---|---|
| BF16 | safetensors | 16 | Official | Runtime certified |
OLMo · General · OLMo 3.1
OLMo 3.1 32B Instruct: Specs, GPU requirements, hosting & deployment
OLMo 3.1 32B Instruct is a current General release in the OLMo family, certified from its immutable official source revision.
Total parameters32.2B
Active parametersDense model
Context window65,536 tokens
Release statusCurrent · Current
ArchitectureOlmo3ForCausalLM
ModalitiesText
LicenseApache License 2.0
Deployment stateDeployable with certified configuration
Commercial stateCommercial Use Allowed
Release date2025-12-10
Architecture, strengths and use cases
OLMo 3.1 32B Instruct is an official self-hostable Allen AI release in the OLMo General track. It uses Olmo3ForCausalLM, carries 32.2B, supports a verified context window of 65,536 tokens, and exposes only source-certified checkpoints and runtime combinations. Its release, license and deployment facts are tied to the official repository revision rather than inferred from the family name.
OLMo 3.1 32B Instruct uses Olmo3ForCausalLM with 32.2B. The stored architecture profile records 64 layers, hidden width 5120, 40 attention heads and a 65,536 token context ceiling where the official configuration publishes those fields.
Verified Olmo3ForCausalLM architecture
65,536 token certified context
Official BF16, Unknown checkpoint coverage
Private LLM inference
Agentic workflows
Long-context document processing
Certified checkpoints and quantizations
Only exact, source-certified variants attached to this release are shown.
Recommended hardware
Use only the listed transformers runtime configuration with the exact checkpoint precision. The recommendation engine checks weight memory, KV cache, runtime overhead, safety headroom, GPU architecture and topology before ranking rentable and reference hardware.
Estimated weight memory61.78 GB
KV cache2 GB
Runtime overhead16.2 GB
Total with safety margin99.17 GB
Recommended best value
2× NVIDIA A100 SXM 80GB
160 GB total VRAM · nvlink
60.83 GB headroom · Available
USD 1,830 / monthLowest-cost viable
5× NVIDIA L4 24GB
120 GB total VRAM · pcie
20.83 GB headroom · Available
USD 1,250 / monthHighest performance
2× NVIDIA A100 SXM 80GB
160 GB total VRAM · nvlink
60.83 GB headroom · Available
USD 1,830 / monthLicense and self-hosting considerations
The full 32.2B resident weight set must fit across the selected GPUs. Context and concurrency add KV-cache memory; MoE active parameters do not replace resident-weight memory.
OLMo 3.1 32B Instruct is published under Apache License 2.0. The release-scoped official license link and verification date are retained with the catalogue record.
Commercial Use Allowed. The official license permits commercial use; its obligations still apply.
Alternatives and sibling variants
OLMo 2 32B
Release timeline
allenai/olmo/olmo-3-1-32b-instruct
Source details
Source revision: 9e999954a0666e13fba0f4b721679ef514c444755fd494c5588c5dd220fb11eb
Frequently asked questions
How much VRAM does OLMo 3.1 32B Instruct require?
The exact estimate depends on checkpoint precision, context and concurrency; the page recommendation uses the certified memory engine and compatible runtime configurations.
Which runtimes support OLMo 3.1 32B Instruct?
Certified upstream runtime evidence is available for transformers.
Can OLMo 3.1 32B Instruct be used commercially?
The stored commercial classification is Commercial Use Allowed. Consult the official Apache License 2.0 terms for the final obligations.
Official references
Last verified: 2026-08-26