Head-to-head
Compare direct OpenAI per-token billing against OpenRouter's multi-provider marketplace. See when unlimitedcodex is the better fit for unlimited GPT-5.5 and Codex.
TL;DR
OpenAI API gives first-party model access with per-token pricing. OpenRouter gives 400+ models with credit-based billing. unlimitedcodex offers unlimited GPT-5.5 and Codex at $19/week or $76/month.
At a glance
| Dimension | OpenAI API | OpenRouter |
|---|---|---|
| GPT-5.5 & Codex | Varies — see provider or routing layer | Varies — see provider or routing layer |
| Pricing model | Pure pay-as-you-go per token, request, or modality with batch and priority tiers. | Pay-as-you-go credits with inference billed per model token or request at provider list price plus platform fees on credit purchases. |
| Starting price | Usage-only per-token pricing with model-specific rates. | Pay-as-you-go from roughly $10+ credit top-ups with platform fees on purchases. |
| Token limits | Per-token metering | Per-token or credit-based |
| Best for | Teams committed to OpenAI models and needing latest capabilities | Teams needing multi-model access without managing many provider accounts |
Third option
OpenAI API and OpenRouter solve routing and governance. unlimitedcodex sells the API access package itself: GPT-5.5, Codex, and advertised OpenAI-compatible endpoints at Unlimited Weekly $19/week | Unlimited Monthly $76/month | Monthly first month $59 with UNLIMITED59.
FAQ
OpenAI API gives first-party model access with per-token pricing. OpenRouter gives 400+ models with credit-based billing. unlimitedcodex offers unlimited GPT-5.5 and Codex at $19/week or $76/month.
Yes. Every unlimitedcodex package includes GPT-5.5, Codex, embeddings, and image endpoints with unlimited token consumption at $19/week or $76/month.
No. unlimitedcodex is an independent OpenAI-compatible API access service. Choose OpenAI API directly when you need official first-party OpenAI account features, support, or enterprise contracts.
OpenAI API is best when teams committed to openai models and needing latest capabilities.
OpenRouter is best when teams needing multi-model access without managing many provider accounts.
unlimitedcodex is the independent third option when you need GPT-5.5 and Codex API access at a flat price — not a gateway, marketplace, or per-token billing layer.
Unlimited GPT-5.5 & Codex
Unlimited Weekly $19/week | Unlimited Monthly $76/month | Monthly first month $59 with UNLIMITED59