You don't need to spend hundreds of dollars on AI APIs to run a powerful AI assistant. In 2026, there are more free and nearly-free model options than ever — and OpenClaw works with all of them.
This guide covers the 8 best free AI model options you can use with OpenClaw right now, how to set each one up, and which one is the best fit for your needs.
1. DeepSeek V3
DeepSeek V3 is one of the best budget AI models available in 2026. It offers a generous free tier with excellent quality that rivals much more expensive alternatives.
How to Set Up DeepSeek with OpenClaw
- Create a free account at platform.deepseek.com
- Generate an API key from the dashboard
- In your OpenClaw config, set the model provider to DeepSeek and paste your API key
- Select
deepseek-chatas your model
Pros: Excellent quality-to-cost ratio, generous free tier, strong reasoning capabilities.
Cons: Rate limits on free tier, occasional latency spikes during peak hours.
Free Tier: ~10M tokens/month free, then pay-as-you-go at very low rates.
2. Llama 4 Scout (via OpenRouter)
Llama 4 Scout is Meta's latest open-source model, and it's available for free on several providers through OpenRouter.
How to Set Up Llama 4 with OpenClaw
- Sign up for a free OpenRouter account
- Generate an API key
- In your OpenClaw config, use OpenRouter as the provider
- Set the model to
meta-llama/llama-4-scout
Pros: Open-source, strong performance, free on select providers, large context window.
Cons: Free availability varies by provider, may have queue times.
Free Tier: Available free on some OpenRouter providers; otherwise ~$0.15/M tokens.
3. Qwen 3 (via OpenRouter)
Qwen 3 from Alibaba is a standout for multilingual use cases. It handles English, Chinese, and many other languages exceptionally well — and has a free tier available through OpenRouter.
How to Set Up Qwen 3 with OpenClaw
- Create an OpenRouter account
- Generate an API key
- Set OpenRouter as the model provider in your OpenClaw config
- Choose
qwen/qwen3as the model
Pros: Excellent multilingual support, free tier available, strong reasoning, great for non-English users.
Cons: Slightly less performant than top-tier models on English-only tasks.
Free Tier: Free on select OpenRouter providers; otherwise very affordable.
4. Gemini 2.5 Flash (Google Free Tier)
Gemini 2.5 Flash from Google offers one of the most generous free tiers in the industry. It's fast, capable, and you get a lot of free usage every month.
How to Set Up Gemini with OpenClaw
- Go to Google AI Studio and sign in
- Generate a free API key
- In OpenClaw, configure Google as your model provider
- Select
gemini-2.5-flashas the model
Pros: Very generous free tier, fast response times, multimodal capabilities (text + images).
Cons: Rate limits on free tier (requests per minute), data may be used for training on free tier.
Free Tier: Up to 1,500 requests/day free.
5. Mistral Small
Mistral Small is a compact but capable model from Mistral AI, available with a free tier on their API platform.
How to Set Up Mistral with OpenClaw
- Sign up at console.mistral.ai
- Create an API key
- Configure Mistral as the model provider in OpenClaw
- Use
mistral-small-latestas the model
Pros: Fast inference, low latency, good for lightweight tasks, free tier available.
Cons: Less capable than larger models for complex reasoning tasks.
Free Tier: Limited free requests per month on the free plan.
6. Ollama (Local Models)
Ollama lets you run AI models entirely on your own hardware — meaning zero API costs forever. If you have a decent computer with a GPU, this is the ultimate free option.
How to Set Up Ollama with OpenClaw
- Install Ollama from ollama.com
- Pull a model:
ollama pull llama3.2 - Start the Ollama server (runs on
localhost:11434by default) - In your OpenClaw config, set the provider to Ollama and point it to your local endpoint
Pros: Completely free, no rate limits, full data privacy, works offline.
Cons: Requires your own hardware (GPU recommended), model quality depends on what your hardware can run.
Cost: $0 — you pay only for electricity.
7. OpenRouter Free Models
OpenRouter aggregates many AI providers and offers several models completely free. It's a single API key that gives you access to dozens of models.
How to Use OpenRouter Free Models with OpenClaw
- Create an OpenRouter account
- Generate an API key
- Set OpenRouter as the provider in your OpenClaw config
- Browse the free models list and choose one
Pros: Multiple free models available, easy to switch between models, single API key for everything.
Cons: Free models may have queue times, rate limits, or lower priority.
Cost: $0 for free-tier models; paid models available if you add credits.
8. OpenClaw Launch Included Credits
If you don't want to deal with API keys, provider accounts, or configuration at all — OpenClaw Launch includes AI credits with every plan.
- Lite plan ($3/mo first month): Includes AI credits to get started immediately
- Pro plan ($20/mo): More credits included, plus premium features
- No need to create accounts at OpenRouter, DeepSeek, or any other provider
- Credits work with top models — you choose which model to use from the dashboard
- Bring your own key (BYOK) is also supported if you want to use your own API keys
Pros: Zero setup, no API key management, works out of the box, top model access.
Cons: Monthly subscription cost (starts at $3/mo).
Best for: Users who want a working AI assistant in under a minute without any technical setup.
Comparison Table
| Model | Provider | Free Tier Limits | Quality | Best For |
|---|---|---|---|---|
| DeepSeek V3 | DeepSeek | ~10M tokens/mo | High | Best overall budget option |
| Llama 4 Scout | OpenRouter | Varies by provider | High | Open-source enthusiasts |
| Qwen 3 | OpenRouter | Varies by provider | High | Multilingual use cases |
| Gemini 2.5 Flash | 1,500 req/day | High | High-volume free usage | |
| Mistral Small | Mistral | Limited free req/mo | Medium | Fast, lightweight tasks |
| Ollama (local) | Self-hosted | Unlimited | Varies | Full privacy, zero cost |
| OpenRouter free | OpenRouter | Rate-limited | Varies | Trying multiple models |
| OpenClaw Launch | Included | Credits included | High | Zero-setup experience |
Which Free Model Should You Choose?
Here's our recommendation based on your situation:
- Want the best free quality? Start with DeepSeek V3 — it has the most generous free tier with the best quality.
- Need multilingual support? Go with Qwen 3 — it excels at Chinese, Japanese, Korean, and many other languages.
- Want maximum free usage? Use Gemini 2.5 Flash — Google's free tier is the most generous in terms of daily requests.
- Want full privacy? Run Ollama locally — your data never leaves your machine.
- Want zero hassle? Use OpenClaw Launch — credits included, no API key setup needed.
- Want to experiment? Use OpenRouter — one API key gives you access to free models from multiple providers.
Get Started
All of these models work with OpenClaw. If you want the easiest path, OpenClaw Launch includes AI credits starting from just $3/month — no API keys, no provider accounts, no configuration needed.
Or if you prefer to bring your own API key, check out our supported models page for the full list of compatible providers.