Cosmos Reason2 8B
NVIDIA
Free right now
Small
VisionReasoning
Cosmos Reason2 8B is a language model with 8B parameters from NVIDIA. It is currently free at 1 provider with up to — tokens of context. The model understands images, supports step-by-step reasoning.
- Developer
- NVIDIA
- Parameters
- 8B
- Type
- Text
Where to use Cosmos Reason2 8B for free
Each row is a separate free endpoint with its own limits.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
 NVIDIA Build nvidia/cosmos-reason2-8b |
— | Free serverless inference for development; limits and model availability may change. | No | Open |
Quick start
curl https://integrate.api.nvidia.com/v1/chat/completions \
-H "Authorization: Bearer $NVIDIA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nvidia/cosmos-reason2-8b",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://integrate.api.nvidia.com/v1",
api_key="YOUR_NVIDIA_API_KEY",
)
reply = client.chat.completions.create(
model="nvidia/cosmos-reason2-8b",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://integrate.api.nvidia.com/v1",
apiKey: process.env.NVIDIA_API_KEY,
});
const reply = await client.chat.completions.create({
model: "nvidia/cosmos-reason2-8b",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for NVIDIA Build. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
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FAQ
Is Cosmos Reason2 8B free?
Yes. As of September 26, 2026, Cosmos Reason2 8B is free at NVIDIA Build. Each provider has its own limits — see the table above.
How do I call Cosmos Reason2 8B via API?
Use any OpenAI-compatible client with base URL https://integrate.api.nvidia.com/v1, model ID nvidia/cosmos-reason2-8b, and a NVIDIA Build key.