opencheap.si

Anthropic: claude-sonnet-4.5-20250929

Price per 1M tokens
$4.80 / $24.00
input / output
Cached input
$0.48
per 1M tokens
Context
200K tokens
Providers
1

Providers

One provider serves claude-sonnet-4.5-20250929; call it through one OpenAI-compatible API.

Provider prices are what each provider charges. You pay the price above until pass-through billing starts; then you pay the provider's price directly.

  • 1 provider through partner hosts · from $3.16 in · $15.78 out

Per 1M tokens: the provider's own price.

API

curl https://api.opencheap.si/v1/chat/completions \
  -H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
  -d '{ "model": "opencheap/claude-sonnet-4.5-20250929", "messages": [{ "role": "user", "content": "Hi" }] }'