Affordable AI API gateway for frontier models at up to 89% below official pricing
Sovereign, carbon-aware AI routing
Stage
Not given
MVP
Founded
Not given
Not given
Based in
Not given
FR
Pricing model
Paid
Paid
Pricing
Pay per million tokens in USD with no subscription or minimum spend. Prices vary by model and provider. Example flagship models: Claude (from $5.9/$29.5 input/output per million tokens), GPT-6-Astra (from $0.175/$0.875), Claude Opus (from $0.0125/$0.0625). Prompt caching at 10% of input rate where s
Pay-as-you-go credits. Top-up fees: Business rate 5.5% + €0.30, Standard rate 6.5% + €0.30, International 8.5% + €0.30. Minimum top-up €5.00. Tokens billed at upstream provider's per-token price in EUR with no per-token markup.
Key features
OpenAI-compatible endpoint
Access to 171 frontier models
Automatic failover across upstream providers
Per-token billing from upstream usage reports
Full SSE streaming passthrough
Per-key rate limits and model allowlists
Complete usage logs with cost breakdown
Anthropic Messages API support
Prompt caching at 10% of input rate
Health tracking per provider family
OpenAI-compatible API, works with existing SDKs and tools without modification
Per-request carbon emissions tracking and grid carbon intensity reporting
Multi-provider routing with choice of provider, model, and region per request
Model aliases for repointing requests without code changes
Auto-routing to select lowest-carbon route based on policy
Jurisdiction filtering including EU-only provider option
Usage dashboard with per-model, per-provider, and per-key breakdown
CSV export for auditable per-request usage and carbon data
One invoice for all providers with automatic EUR conversion
No lock-in with base URL configuration allowing instant provider switching
What makes it different
Single API key for 171 models across 19 families with no per-provider signups
Up to 89% savings below official pricing on frontier models
Automatic failover ensures requests route around capacity outages
Pay only for tokens consumed with no monthly subscription or minimum spend
Exact billing metered from upstream usage, never estimated from characters
Sovereign EU hosting outside CLOUD Act reach with GDPR compliance and your choice of provider jurisdiction per request
No data training or retention; prompts forwarded unchanged to chosen provider only
AtmoRouter