Guides
Models & Pricing
PromptDiff charges $0.005 per eval (free for first 100/month). Underlying LLM costs are passed through at cost.
| Model | Provider | Input/1M | Output/1M |
|---|---|---|---|
| gpt-4o | OpenAI | $5.00 | $15.00 |
| gpt-4o-mini | OpenAI | $0.15 | $0.60 |
| claude-3-5-sonnet | Anthropic | $3.00 | $15.00 |
| claude-3-haiku | Anthropic | $0.25 | $1.25 |
| gemini-1.5-pro | $3.50 | $10.50 | |
| gemini-1.5-flash | $0.075 | $0.30 | |
| llama-3.1-70b | Meta | $0.59 | $0.79 |
| mistral-large | Mistral | $4.00 | $12.00 |
Pricing note
Prices above reflect underlying LLM provider costs and may change. Always use GET /v1/models for current pricing. PromptDiff adds $0.005/eval after your free tier.