Typical Conversation (10 messages)
Model: Claude Sonnet 4.5- Conversation size: short back-and-forth (questions + replies)
- A full 10-message conversation uses approximately 10-15 credits
- This includes both your messages and the AI’s responses.
- On a Pro plan with 59,000 credits/month, you can run thousands of similar conversations.
Long Research Session (100+ messages)
Model: GPT-5.1- Conversation size: deep research, long answers, sustained reasoning
- A 100-message research session uses approximately 40-50 credits
- Suitable for long analysis, planning, or document exploration.
- On a Pro plan, you can run hundreds of these sessions monthly.
Multi-Model Comparison
- Same question asked to 3 different models
- Each model response = ~15 credits per response
- Comparing 3 models on same question ≈ 45 credits
- On a Max plan with 109,000 credits/month, you can run thousands of multi-model comparisons.
The Takeaway
- AI Chat is one of the lowest-cost features in Runable
- Most conversations cost less than 50 credits
- Switching models does add cost proportionally (multiply by number of models)
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You can explore freely — typical usage is affordable on any paid plan
Reserve higher credit budgets for final artifacts like slides, websites, or videos

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