OpenAI
OpenAI
Language model · United States ·Feb 2019

GPT-2 (355M)

Language Open (Restricted)
355M
Parameters

About GPT-2 (355M)

GPT-2 (355M) is an AI model developed by OpenAI, in the language category, released in 2019, made available as an open-weights model with 0.4B params.

On this page you'll find GPT-2 (355M)'s full specifications. Review provider pricing and benchmark scores below, or compare GPT-2 (355M) head-to-head with other language models.

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Run GPT-2 (355M) locally — what to buy

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Sized to what GPT-2 (355M) 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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Frequently asked questions

What is GPT-2 (355M)? ▶

GPT-2 (355M) is an AI model developed by OpenAI, in the language category, released in 2019. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created GPT-2 (355M)? ▶

GPT-2 (355M) was developed by OpenAI and released in 2019.

Is GPT-2 (355M) open source or proprietary? ▶

GPT-2 (355M) 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 GPT-2 (355M) cost? ▶

Pricing for GPT-2 (355M) depends on the provider. See the providers table on this page for the latest API rates.

How does GPT-2 (355M) perform on benchmarks? ▶

Benchmark scores for GPT-2 (355M) 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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