OpenAI Decisions API vs Cloudflare Clef: monthly cost
Monthly cost of OpenAI Decisions API and Cloudflare Clef (Clef, Clef-flash, Clef-omni) side by side at 10k to 10M requests, from each vendor’s list price.
Classification500 in · 5 out tokens
| Requests / month | OpenAI Decisions API | Cloudflare Clef |
|---|---|---|
| 10k | $0.50 | $0.19 |
| 100k | $5.00 | $1.90 |
| 1M | $50.00 | $19.00 |
| 10M | $500 | $190 |
Formula: 1,000,000 requests × (500 in × $0.1 + 5 out × $0) ÷ 1,000,000
Chatbot turn1,000 in · 300 out tokens
| Requests / month | OpenAI Decisions API | Cloudflare Clef |
|---|---|---|
| 10k | $1.00 | $0.38 |
| 100k | $10.00 | $3.80 |
| 1M | $100 | $38.00 |
| 10M | $1,000 | $380 |
Formula: 1,000,000 requests × (1,000 in × $0.1 + 300 out × $0) ÷ 1,000,000
Agent loop step4,000 in · 500 out tokens
| Requests / month | OpenAI Decisions API | Cloudflare Clef |
|---|---|---|
| 10k | $4.00 | $1.52 |
| 100k | $40.00 | $15.20 |
| 1M | $400 | $152 |
| 10M | $4,000 | $1,520 |
Formula: 1,000,000 requests × (4,000 in × $0.1 + 500 out × $0) ÷ 1,000,000
Price notes
- OpenAI Decisions API · gpt-6-luna. Input only; no output, cache-read or cache-write charges. Regional processing premiums and long-context multipliers apply (amounts not stated on the guide).
- Cloudflare Clef · Clef-flash. No output-token charge; media are converted to input tokens. Free tier: 10,000 Neurons/day free on Workers AI (Clef-flash: 3,455 Neurons per 1M input tokens). Not deducted here.
- List prices before free allowances and taxes. Presets are our assumptions, not vendor figures.
FAQ
Is OpenAI Decisions API or Cloudflare Clef cheaper?
Cloudflare Clef is cheaper for chatbot-size requests: $38.00 vs $100 a month at 1M requests (prices verified 2026-10-17).
How are the prices compared?
OpenAI Decisions API: $0.1 in / $0 out per 1M tokens (gpt-6-luna). Cloudflare Clef: $0.038 in / $0 out per 1M tokens (Clef-flash). Same requests and token sizes for both, list prices before free allowances.
Does price decide which to use?
No. Check limits, status and fit on each API page and in the side-by-side compare tool before switching.
SourcesPricing pages
- 1OpenAI Decisions API pricingdevelopers.openai.com/api/docs/guides/decisionsVerified 2026-10-17
- 2Cloudflare Clef pricingdevelopers.cloudflare.com/workers-ai/platform/pricing/Verified 2026-10-17