LI
LightOn
Language model · France ·May 2025

Reason-ModernColBERT

Language Open Weights
150M
Parameters

About Reason-ModernColBERT

Reason-ModernColBERT is an AI model developed by LightOn, in the language category, released in 2025, made available as an open-weights model with 0.2B params.

On this page you'll find Reason-ModernColBERT's full specifications. Review provider pricing and benchmark scores below, or compare Reason-ModernColBERT head-to-head with other language models.

→ More models by LightOn → All language models → AI benchmarks leaderboard

Links

Announcement ↗ Hugging Face ↗

Run Reason-ModernColBERT locally — what to buy

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Sized to what Reason-ModernColBERT actually needs (~8k context at Q4), not to the biggest GPU: Good = cheapest that runs it, Better = best value, Best = most headroom. Speed is a hardware estimate; anything past ~120 tok/s is shown as instant.

Best
Intel Arc B580 12GB
Consumer GPU · ~$249
~120 tok/s
Q4 · fits full context · up to 8k ctx
Runs with: ExLlamaV2, KoboldCpp, LM Studio
See full estimate →

Software support

·ExLlamaV2 ·KoboldCpp ·LM Studio ·MLX ·Ollama ·SGLang ·TensorRT-LLM ·llama.cpp ·vLLM ?KTransformers ?text-generation-webui

✓ measured · · compatible · — not supported. Informational only — speed is hardware-based.

Consumer GPU
120+ tok/s
33 options →
Apple
120+ tok/s
18 options →
Datacenter GPU
120+ tok/s
13 options →

Community

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Discussion

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Frequently asked questions

What is Reason-ModernColBERT? ▶

Reason-ModernColBERT is an AI model developed by LightOn, in the language category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created Reason-ModernColBERT? ▶

Reason-ModernColBERT was developed by LightOn and released in 2025.

Is Reason-ModernColBERT open source or proprietary? ▶

Reason-ModernColBERT ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.

How much does Reason-ModernColBERT cost? ▶

Pricing for Reason-ModernColBERT depends on the provider. See the providers table on this page for the latest API rates.

How does Reason-ModernColBERT perform on benchmarks? ▶

Benchmark scores for Reason-ModernColBERT are listed on this page as they are published. You can compare it head-to-head with other models on the GenAIList compare tool.

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