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Kimi K3 Free API on NVIDIA NIM

Free API Verified
★★★★★★★★★★ 3.5 Benchmark-backed score

Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work

Free APIOpenAI compatibleReasoningTool callingJSON modeVisionReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://integrate.api.nvidia.com/v1
Model ID
moonshotai/kimi-k3
API format OpenAI Chat Completions
Technical Details

Kimi K3 specifications

Provider and model catalog
Context window 1.0M
Max output 131K
Status Online
Family kimi-k3
Released Jul 16, 2026
Last updated Jul 16, 2026
Free listing since Aug 22, 2026
Input text, image, video
Output text
Capabilities reasoning, tool calling, structured output, file attachments
Open weights Yes

External benchmark references

Benchmark Score Metric Date
DeepSWE 67.5 resolve rate 2026-07-16
Terminal-Bench 88.3 accuracy 2026-07-16
FrontierSWE 81.2 dominance score 2026-07-16
Program Bench 77.8 score 2026-07-16
AI Recommendation

Should you use Kimi K3?

Kimi K3 is listed for chat workloads and supports a 1.0M context window.

Use it when NVIDIA NIM's free tier is enough for evaluation, demos, or light production traffic.

Best for
  • Chat
Benchmark Overview

Benchmark signals for Kimi K3

Measured data
Intelligence General reasoning and instruction following
59.7/100
Coding Programming and code generation
76.2/100
Agentic Tool use and multi-step tasks
54.3/100
Speed Observed generation speed
38 tok/s
Context Maximum listed context window
1.0M
Pricing

Kimi K3 pricing per 1M tokens

Free tier listed
Input $3 per 1M tokens
Output $15 per 1M tokens
Free access Available NVIDIA NIM
Availability

Kimi K3 availability by provider

Current provider only

We only found this Kimi K3 listing on NVIDIA NIM in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
NVIDIA NIM Kimi K3 Free tier 1.0M Native Varies
View NVIDIA NIM setup guide →
Typical Use Cases

Kimi K3 use cases

Chat

Kimi K3 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Kimi K3 free API FAQ

Is Kimi K3 free to use?

Kimi K3 is listed with free API access on NVIDIA NIM, subject to the provider's quota and account policy.

What is the Kimi K3 model ID?

The model ID shown in this catalog is moonshotai/kimi-k3.

What context window does Kimi K3 support?

The listed context window is 1.0M tokens with up to 131K output tokens.

More about Kimi K3

Free Kimi K3 API.

For API keys, setup steps, and provider-level limits, see the NVIDIA NIM provider page.