NEURON
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Multiple LLMs. One Prompt.
Side-by-side.

Open several language models at once, prompt them in parallel, and pick the response that fits.

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Built for makers who test prompts.

Three things NEURON does so you can stop bouncing between browser tabs.

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Multi-model comparison

Run OpenAI, Claude, Gemini, Mistral, Llama, and Deepseek in parallel panes with live latency stats. No tab juggling.

🎙

Audio transcription

Upload audio files and get text transcripts instantly. Useful for meeting notes, voice memos, and content capture.

⟳

Agent pipelines

Blog and book workflows that chain models together. Plan, draft, and refine long-form content from a single prompt.

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Auth + history

Sign in with Supabase to save conversations, revisit prompts, and pick up where you left off on any device.

See it in action.

The same prompt, three models, at the same time.

gpt-4o● streaming
Plan a weekend trip to Kyoto.
Here is a three-step plan…
Concise, structured.~1.2s
claude● streaming
Plan a weekend trip to Kyoto.
Let me break this into parts…
Detailed, careful.~1.2s
gemini● streaming
Plan a weekend trip to Kyoto.
Based on the prompt, you want…
Wide context, fast.~1.2s

Audio → Text

Upload audio and get a transcript instantly.

Simple pricing.

Start free. Upgrade when you need more.

Free
$0/ forever
  • ✓Multi-model comparison
  • ✓Local conversation history
  • ✓3 curated models
  • ✓Image + audio generation
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Best value
Pro
$9/ per month
  • ✓Everything in Free
  • ✓Unlimited saved conversations
  • ✓All models unlocked
  • ✓Faster streams + priority
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See the full feature comparison on /pricing →