Updated 7/29/2026
NVIDIA 官方强力 Agent 与代码生成模型，由 OpenCode 平台提供限时免费托管。
Nemotron 3 Ultra 是英伟达（NVIDIA）专为 Agentic AI 和复杂逻辑推理打造的高性能大模型。在 OpenCode 平台当前处于限时免费试用阶段。
curl https://opencode.ai/zen/v1/chat/completions \
-H "Authorization: Bearer $OPENCODE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nemotron-3-ultra-free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://opencode.ai/zen/v1",
api_key="YOUR_OPENCODE_API_KEY",
)
response = client.chat.completions.create(
model="nemotron-3-ultra-free",
messages=[{"role": "user", "content": "Write a python function."}],
)
print(response.choices[0].message.content)The following platforms provide free access to Nemotron 3 Ultra Free through free tiers, trial credits, or daily quotas.
| Provider | Context Window | Free Quota | Requires CC | Trust | Action |
|---|---|---|---|---|---|
| OpenCode Zen | N/A | No | Trust 95 | Details |
Yes. Nemotron 3 Ultra Free is available for free through 1 provider(s) listed below, with no purchase required.
Free access varies by provider — OpenCode Zen: Unlimited.
Sign up with OpenCode Zen, then create an API key from your dashboard. See the provider details above for the exact steps.
Nemotron 3 Ultra Free is currently available for free via: OpenCode Zen.
Help the community by sharing other ways to access this model for free.