New users get 100% bonus on first deposit (up to $100)·Refer friends, earn 2.5% forever
baserouter
OpenAI-compatible · Pay per token

One API.
Every frontier model.

Drop-in OpenAI gateway for Claude, GPT, Gemini, DeepSeek, Qwen and 60+ more. One key, one bill, half the price of OpenRouter.

Get an API key View pricing
Drop-in OpenAI SDK No subscription $5 to start
→sk-sr-•••••live
Routing to the upstream providers you already trust
AnthropicOpenAIGoogleMetaDeepSeekQwenMistralMoonshot
The catalog

Every model on one screen.

Sixty+ frontier and open models, routed to the best available upstream. Same prompt format, same billing line.

See all models
Anthropic
Claude Fable 5
Long-form writing & narrative
$25.00
Anthropic
Claude Opus 4.7
Frontier reasoning & coding
$12.50
Anthropic
Claude Opus 4.8
Long-context coding & agents
$12.50
Anthropic
Claude Sonnet 4.6
Balanced everyday tasks
$7.50
DeepSeek
DeepSeek V4 Flash
High-volume cheap inference
$0.09
Google
Gemini 3.1 Flash Lite
Cheap multimodal
$0.75
Zhipu
GLM 5
Multilingual general use
$0.96
Zhipu
GLM 5.1
Stronger reasoning
$1.54
OpenAI
GPT-5.4
Advanced reasoning
$7.50
OpenAI
GPT-5.5
Frontier reasoning & agents
$15.00
OpenAI
GPT-OSS 120B
Cheap open weights
$0.09
Moonshot
Kimi K2.5
Long-context Chinese/English
$1.01
Moonshot
Kimi K2.6
Stronger Kimi tier
$1.71
MiniMax
MiniMax M2.7
Cheap chat
$0.50
MiniMax
MiniMax M3
Cheap chat plus
$0.60
Qwen
Qwen3.7 Plus
Multilingual cheap
$0.64
Pricing

Pay per token. Half the rate.

We route to the same upstream providers as OpenRouter, but list every model at half their output rate. No subscription. Credits never expire.

Full pricing table
ModelBaseRouterOpenRouterSave
Claude Opus 4.8$12.50$25.00−50%
GPT-5.5$15.00$30.00−50%
Gemini 3.1 Flash Lite$0.75$1.50−50%
DeepSeek V4 Flash$0.09$0.18−50%
Kimi K2.6$1.71$3.41−50%
Per million output tokens. Input billed separately at posted rate.
Quick start

From zero to first call in a minute.

01
Sign up free
Email or Google. Pre-fund any amount — first deposit gets 100% bonus up to $100.
02
Mint an API key
One click. Get an sk-sr- key. Use it wherever you already use OPENAI_API_KEY.
03
Point & ship
Change the base URL to api.baserouter.dev/v1. We route, stream, and bill per token.
curl · first call
# one key, every model
curl https://api.baserouter.dev/v1/chat/completions \
  -H "Authorization: Bearer sk-sr-..." \
  -H "Content-Type: application/json" \
  -d '{"model":"claude-opus-4-8","messages":[
       {"role":"user","content":"Hello"}]}'
✓ 200 OK · 1.2s · 142 tokens · 0.32 credits
Read the docsTry in playground →
Referrals

Earn 2.5%
forever.

Share your invite link. Friends get a 100% bonus on their first deposit, up to $100. You earn 2.5% of every credit they spend — paid straight to your balance.

How referrals work
Your invite link
baserouter.dev/?ref=you
Friends
12
They spent
$3,368
You earned
$84.20
Start shipping

Thirty seconds to your first call.

$5 of credit, one API key, every frontier model. First deposit gets a 100% bonus.

Create your account Read the docs