Nemotron 3.5 Bolt E4b
Nemotron 3.5 Bolt E4b is a language model from NVIDIA. It is currently free at 1 provider with up to — tokens of context. The model supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.
- Developer
- NVIDIA
- Type
- Text
- License
- Open weights
- Free since
- October 22, 2026
Where to use Nemotron 3.5 Bolt E4b for free
Each row is a separate free endpoint with its own limits.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
NVIDIA Build nvidia/nemotron-3.5-bolt-e4b |
— | 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/nemotron-3.5-bolt-e4b",
"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/nemotron-3.5-bolt-e4b",
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/nemotron-3.5-bolt-e4b",
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 We do not publish our own estimates.
Similar free models
FAQ
Is Nemotron 3.5 Bolt E4b free?
Yes. As of October 22, 2026, Nemotron 3.5 Bolt E4b is free at NVIDIA Build. Each provider has its own limits — see the table above.
How do I call Nemotron 3.5 Bolt E4b via API?
Use any OpenAI-compatible client with base URL https://integrate.api.nvidia.com/v1, model ID nvidia/nemotron-3.5-bolt-e4b, and a NVIDIA Build key.
Is Nemotron 3.5 Bolt E4b open-weight?
Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.