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OLMo family · 7B parameters

OLMoE 1B-7B Instruct

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Allen AI's OLMoE is the only MoE released with weights, training data, and code fully open — 7B total with 1.3B active, matching Llama2-13B-Chat quality.

By Allen AI · United States

Updated 2026-09-15

Parameters
7B
License
Apache 2.0
Context
4k
VRAM (Q4)
4 GB
Released
September 2024

When to pick this model

  • Research that requires fully reproducible MoE training
  • Latency-critical chat where 1.3B active params win
  • Teaching and curriculum use cases needing full provenance
  • Cheap CPU or single-GPU inference setups
  • Baselines for new MoE architectures

VRAM requirements by quantization

VRAM REQUIRED (GB)812Q4_K_M4 GBQ5_K_M5 GBQ8_07 GBFP1614 GB
QuantizationVRAM required
Q4_K_M (recommended)4 GB
Q5_K_M5 GB
Q8_07 GB
FP16 (no quantization)14 GB

VRAM figures include model weights plus a typical 8k KV cache and ~600 MB runtime overhead (Ollama / llama.cpp baseline). Add headroom for higher context lengths.

In practice, OLMoE 1B-7B Instruct fits an 8 GB consumer card at Q4_K_M (4 GB). Stepping up to Q8_0 nearly doubles the footprint to 7 GB, and unquantized FP16 weights take 14 GB — plan your GPU around the Q4 or Q5 figure unless you specifically need the higher fidelity.

Without a GPU, OLMoE 1B-7B Instruct needs roughly 8 GB of system RAM to run on CPU via llama.cpp or Ollama — workable for background jobs, but far slower than GPU inference. Throughput estimates from our compatibility engine: around 50 tokens/sec on entry-level GPUs, on the order of 150 tokens/sec on a mid-range card, and up to 300 tokens/sec on high-end hardware — assuming the chosen quantization fully fits in VRAM.

What hardware do you need

The table below matches OLMoE 1B-7B Instruct to common GPU memory tiers, using the highest-fidelity quantization that fully fits each card class. Spilling layers to system RAM works but costs most of the speed, so size your card to the quantization you actually want to run.

GPU memoryExample cardsBest fit for OLMoE 1B-7B Instruct
8 GBRTX 5070 Laptop, RTX 5060, RTX 5060 Ti 8GBQ8_0 (7 GB used)
12 GBRTX 5070, RTX 5070 Ti Laptop, RTX 4080 LaptopQ8_0 (7 GB used)
16 GBRTX 5080, RTX 4080 Super, Radeon RX 9070 XTFP16 (14 GB used)
24 GBRTX 4090, Radeon RX 7900 XTX, RTX 5090 LaptopFP16 (14 GB used)
32 GBRTX 5090FP16 (14 GB used)

Which hardware should you buy to run OLMoE 1B-7B Instruct?

To run OLMoE 1B-7B Instruct locally at Q4, you need ~4 GB for Q4 weights alone. Hardware option to compare: RTX 5060 Ti 16GB (ASUS Prime). Leave memory for the system and context; verify inference-engine support. A mini PC does not provide CUDA or macOS/MLX.

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Published benchmark scores

BenchmarkScore
MMLU52

Scores published by the model author or aggregated from public leaderboards. Re-measured monthly by our editorial team.

To put OLMoE 1B-7B Instruct in context: its MMLU score of 52 ranks #34 of the 34 catalog models with a published MMLU result (catalog median 73.4). Scores are author-published and measured under different harnesses, so treat gaps of a few points as noise rather than a verdict.

Strengths

  • Very fast inference with only 1.3B active parameters
  • Training corpus is 100% open source (Dolmino + Pile 2)
  • Apache 2.0 license throughout
  • Competitive with Llama2-13B-Chat at a fraction of the cost

Limitations

  • 4096-token context is limiting for modern workloads
  • Quality trails recent dense 7B models
  • Limited tooling and quantization support

Typical workloads

In our catalog grid, OLMoE 1B-7B Instruct is filed under MoE Transparency, Research — the use cases where its size/quality trade-off makes the most sense. Its tags translate to concrete workloads: everyday chat, drafting and summarization.

Note the 4k-token context window — fine for short interactions, limiting for long documents or big retrieval contexts. The Apache 2.0 license is permissive, so shipping it inside a commercial product raises no special legal questions.

Architecture & training

Architecture: MoE · 7B total / 1B active · 64 experts, 8 active per token

Training: AllenAI OLMoE. Open data Dolmino + The Pile 2.

Verdict

The only truly open MoE end-to-end — pick it for research and education over raw production quality.

Quick start

Install the runtime for your system: Windows, macOS or Linux. Check the exact model tag or GGUF quantization below; catalog IDs are not necessarily Ollama tags.

Start at 4096 tokens of context, then use ollama ps to check GPU/CPU placement. A default download may use a different quantization from the configurator’s memory estimate. Keep the free setup working before considering a kit.

ollama run olmoe

Or use the open-source MCP server to query this model from Claude Desktop, Cursor, or any MCP-compatible client.

This model in your private ChatGPT, no cloud

Your private ChatGPT, free, on your own machine in an hour — LM Studio, Ollama, Open WebUI, your documents, no cloud.

  • Lifetime online access
  • PDF + files
  • 30-day refund

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Frequently asked questions

How much VRAM does OLMoE 1B-7B Instruct need?

At the recommended Q4_K_M quantization, OLMoE 1B-7B Instruct needs about 4 GB of VRAM. Q8_0 takes 7 GB, and unquantized FP16 weights take 14 GB.

Can OLMoE 1B-7B Instruct run without a GPU?

Yes — with roughly 8 GB of system RAM it runs CPU-only through llama.cpp or Ollama. Expect a fraction of GPU speed, which is fine for background or batch jobs but slow for interactive chat.

What context window does OLMoE 1B-7B Instruct support?

OLMoE 1B-7B Instruct supports a 4k-token context window (4,096 tokens).

Can I use OLMoE 1B-7B Instruct commercially?

Yes. OLMoE 1B-7B Instruct is released under Apache 2.0, a permissive open-source license that allows commercial use, modification and redistribution.

How fast is OLMoE 1B-7B Instruct on consumer hardware?

Our compatibility engine estimates on the order of 150 tokens/sec on a mid-range GPU and up to 300 tokens/sec on high-end cards, assuming the quantization fully fits in VRAM.

Which quantization of OLMoE 1B-7B Instruct should I download first?

Start with Q4_K_M (4 GB) — the standard size/quality sweet spot. Step up to Q5_K_M or Q8_0 only if you have VRAM headroom. It already fits an 8 GB card at Q8_0.

Tools

Is OLMoE 1B-7B Instruct the right pick for you?