SU
Stanford University
Language model · United States ·Jan 2025

s1.1

Language Open (Restricted)
32B
Parameters

About s1.1

s1.1 is an AI model developed by Stanford University, in the language category, released in 2025, made available as an open-weights model with 32B params.

On this page you'll find s1.1's full specifications. Review provider pricing and benchmark scores below, or compare s1.1 head-to-head with other language models.

→ More models by Stanford University → All language models → AI benchmarks leaderboard

Links

Announcement ↗

Run s1.1 locally — what to buy

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Sized to what s1.1 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.

Good
AMD Radeon RX 7900 XTX
Consumer GPU · ~$999
~41.3 tok/s
Q4 · fits full context · up to 8k ctx
Runs with: ExLlamaV2, KoboldCpp, LM Studio
See full estimate →
Better
NVIDIA GeForce RTX 4090
Consumer GPU · ~$1,599
~48.9 tok/s
Q4 · fits full context · up to 8k ctx
Runs with: ExLlamaV2, KoboldCpp, LM Studio
See full estimate →
Best
NVIDIA GeForce RTX 5090
Consumer GPU · ~$1,999
~87 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
11–87 tok/s
9 options →
Apple
13.7–36.6 tok/s
17 options →
Datacenter GPU
37.1–120+ tok/s
13 options →

Community

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Frequently asked questions

What is s1.1? ▶

s1.1 is an AI model developed by Stanford University, in the language category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created s1.1? ▶

s1.1 was developed by Stanford University and released in 2025.

Is s1.1 open source or proprietary? ▶

s1.1 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 s1.1 cost? ▶

Pricing for s1.1 depends on the provider. See the providers table on this page for the latest API rates.

How does s1.1 perform on benchmarks? ▶

Benchmark scores for s1.1 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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