Cost Predictor

What does your prompt cost?

Paste any prompt below — instantly see the price across all 12 providers in our gateway. The cheapest option is often 10-100× less than the default everyone uses.

💰 Switch from Claude Opus 4.7 to GPT-5 mini → save $0.009089 per call (99.2% cheaper)

At 10,000 calls/month: $90.89 saved. At 1M calls/month: $9089.00 saved.

Cost across 14 models

Sorted cheapest first. All prices include OneAPIKey's transparent 20% markup. Direct provider prices are slightly lower; what you save is unified billing, smart routing, and 12-provider failover.

Model	Provider	Input cost	Output cost	Total cost	Context	Privacy
👑 GPT-5 mini gpt-5-mini	OpenAI	$0.000001	$0.000072	$0.000073	128K	✓
Codestral codestral	Mistral	$0.000002	$0.000072	$0.000074	32K	🛡️
Llama 3.3 70B (Groq) llama-3-3-70b	Groq	$0.000006	$0.000094	$0.000100	128K	✓
DeepSeek V3 deepseek-v3	DeepSeek	$0.000002	$0.000132	$0.000134	128K	⚠️
DeepSeek R1 deepseek-r1	DeepSeek	$0.000005	$0.000262	$0.000267	66K	⚠️
Claude Haiku 4.5 claude-haiku-4-5	Anthropic	$0.000008	$0.000480	$0.000488	200K	🛡️
Gemini 2.5 Pro gemini-2-5-pro	Google Gemini	$0.000013	$0.000600	$0.000613	2000K	✓
Mistral Large mistral-large	Mistral	$0.000021	$0.000720	$0.000741	128K	🛡️
GPT-5 gpt-5	OpenAI	$0.000027	$0.001200	$0.001227	256K	✓
Command R+ command-r-plus	Cohere	$0.000027	$0.001200	$0.001227	128K	✓
Claude Sonnet 4.6 claude-sonnet-4-6	Anthropic	$0.000032	$0.001800	$0.001832	200K	🛡️
Sonar Pro sonar-pro	Perplexity	$0.000032	$0.001800	$0.001832	200K	✓
Grok 4 grok-4	xAI	$0.000032	$0.001800	$0.001832	256K	✓
Claude Opus 4.7 claude-opus-4-7	Anthropic	$0.000162	$0.009000	$0.009162	1000K	🛡️

Use this prediction in your app

POST to our public API. No auth required.

curl -X POST https://oneapikey.app/v1/predict-cost \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Your prompt text here",
    "output_tokens": 100
  }'

Stop overpaying for AI.

OneAPIKey routes your traffic to the right model automatically — based on rules you define.

Start free