Microsoft
Microsoft
Language model · United States ·Jun 2023

Kosmos-2

Language Open (Restricted)
1.6B
Parameters

About Kosmos-2

Kosmos-2 is an AI model developed by Microsoft, in the language category, released in 2023, made available as an open-weights model with 1.6B params.

On this page you'll find Kosmos-2's full specifications. Review provider pricing and benchmark scores below, or compare Kosmos-2 head-to-head with other language models.

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

Links

Announcement ↗ Hugging Face ↗

Run Kosmos-2 locally — what to buy

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Sized to what Kosmos-2 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
108.8–120+ tok/s
33 options →
Apple
108.8–120+ tok/s
18 options →
Datacenter GPU
120+ tok/s
13 options →

Community

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Frequently asked questions

What is Kosmos-2? ▶

Kosmos-2 is an AI model developed by Microsoft, in the language category, released in 2023. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created Kosmos-2? ▶

Kosmos-2 was developed by Microsoft and released in 2023.

Is Kosmos-2 open source or proprietary? ▶

Kosmos-2 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 Kosmos-2 cost? ▶

Pricing for Kosmos-2 depends on the provider. See the providers table on this page for the latest API rates.

How does Kosmos-2 perform on benchmarks? ▶

Benchmark scores for Kosmos-2 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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