Managed Keys Pricing
Same pricing as official APIs. No markup, no hidden fees. Pay only for what you use.
How Managed Keys Work
1.
Add credits to your account — buy credits here or run co purchase
2.
Use any model with the co/ prefix: model="co/gpt-5"
3.
Credits are deducted per-token at official API rates. No expiration.
Add Credits to Your Account
Free tier available — star our GitHub repo for $0.90 free credit
OpenAI Models
| Model | Input / 1M tokens | Output / 1M tokens | Best For |
|---|---|---|---|
gpt-5 | $1.25 | $10.00 | Coding, agentic tasks |
gpt-5-mini | $0.25 | $2.00 | Fast, cost-effective |
gpt-5-nano | $0.05 | $0.40 | Cheapest OpenAI |
gpt-4o | $2.50 | $10.00 | Previous gen flagship |
gpt-4o-mini | $0.15 | $0.60 | Most cost-effective |
o4-mini | $3.00 | $12.00 | Reasoning |
Google Gemini Models
| Model | Input / 1M tokens | Output / 1M tokens | Best For |
|---|---|---|---|
gemini-3-pro-preview | $2.00 | $12.00 | State-of-the-art reasoning |
gemini-3-flash-preview | $0.50 | $3.00 | Fastest Gemini 3 |
gemini-2.5-prodefault | $1.25 | $10.00 | Agent default, 2M context |
gemini-2.5-flash | $0.30 | $2.50 | Best price-performance |
gemini-2.5-flash-lite | $0.10 | $0.40 | Ultra fast, cheapest |
gemini-2.0-flash | $0.10 | $0.40 | Previous gen workhorse |
Anthropic Claude Models
| Model | Input / 1M tokens | Output / 1M tokens | Best For |
|---|---|---|---|
claude-opus-4-5 | $5.00 | $25.00 | Most capable |
claude-sonnet-4-5 | $3.00 | $15.00 | Best balance |
claude-haiku-4-5 | $1.00 | $5.00 | Fastest Claude |
claude-opus-4-1 | $15.00 | $75.00 | Specialized reasoning |
claude-sonnet-4 | $3.00 | $15.00 | Previous gen |
FAQ
Is there a markup over official API pricing?
No. We charge the same rates as official APIs. The pricing tables above match OpenAI, Google, and Anthropic official pricing.
Do credits expire?
No. Credits never expire. Use them whenever you want.
How do I check my balance?
Run co status in your terminal, or visit the dashboard.
Can I switch between managed keys and my own keys?
Yes. Use the co/ prefix for managed keys, or remove it to use your own API keys. Same code, just change the model name.
Get Started
- • Free credits: Star our repo for $0.90 free credit
- • Add credits: Purchase credits starting from $0.99
- • All models: See the full model catalog for capabilities and selection guide