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How do I build a multi-model chat app with OpenRouter?
Compare the latest coding models in a short table.
Draft a clean personal finance plan for the next 6 months.
Create a quick product research brief with risks and opportunities.
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Agent
OpenRouter Free Router · free
Step 3.5 Flash · free
gpt-oss-120b · free
Qwen3 Coder · free
Llama 3.3 70B Instruct · free
Web
5
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Direct answer mode for regular chat and quick questions.
OpenRouter Free Router
200K ctx · Free
Catalog
fallback · Loading
Static key mode
Chat key ready
Initial key hash missing
Models API
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