GPT-5.5 & Codex API Comparison
Unlimited GPT-5.5 and Codex API access vs Portkey's production AI gateway with log-volume pricing on top of provider costs.
TL;DR
Portkey is a gateway you configure over existing providers — you still pay inference. unlimitedcodex includes unlimited GPT-5.5 and Codex API in one flat subscription.
Verdict
Portkey wins on production gateway governance and enterprise compliance. unlimitedcodex wins when you need packaged GPT-5.5 and Codex API access, not another layer on top of provider bills.
Real cost example
A heavy Codex and GPT-5.5 coding workload where metered alternatives vary by token volume, model mix, platform fees, and current provider pricing.
Portkey
Gateway subscription plus the underlying provider inference bill.
Estimated monthly cost at scale
unlimitedcodex
$76/month, $59 first Monthly payment with UNLIMITED59, or $19/week for short sprints
Unlimited GPT-5.5, Codex, and advertised endpoints
Why teams switch
At a glance
| Dimension | Portkey | unlimitedcodex |
|---|---|---|
| GPT-5.5 & Codex | Not included — gateway/proxy only | Unlimited tokens included |
| Pricing model | Freemium SaaS plus production subscription and enterprise custom pricing with log-volume overages. | Flat Unlimited Weekly ($19) or Unlimited Monthly ($76) subscriptions with unlimited token consumption and Stripe billing. |
| Starting price | Production from $49/month with log overages. | Unlimited Weekly: $19/week — advertised endpoints, unlimited tokens |
| Token limits | Depends on underlying provider | Unlimited consumption |
| Best for | Production LLM apps needing gateway reliability and fallbacks | Developers who need unlimited GPT-5.5 and Codex API access at a fixed price |
Feature comparison
Portkey
Production gateway with guardrails, virtual keys, prompt management, and deep observability.
unlimitedcodex
API access package with customer API keys, rate-limit visibility, request logs, and Stripe billing.
Choose Portkey for org-wide gateway governance. Choose unlimitedcodex for packaged GPT-5.5 and Codex access.
Portkey
Rich traces, metadata, alerts, and spend attribution across providers.
unlimitedcodex
Request logs, rate states, rate-limit visibility, and usage monitoring for access-package workflows.
Choose Portkey for deep LLMOps observability. Choose unlimitedcodex when packaged API access, billing, and key controls matter more.
Portkey
Engineering platform you configure for internal teams and production apps.
unlimitedcodex
Public pricing, signup, manual setup delivery, and customer portal out of the box.
Choose Portkey to operate AI infrastructure. Choose unlimitedcodex to sell packaged API access.
Pricing
| Item | Portkey | unlimitedcodex |
|---|---|---|
| Free tier | Developer plan with log caps and short retention | No free tier; paid packages only |
| Starting price | $49/month production plus log overages | $19/week (Unlimited Weekly) |
| Enterprise | Custom with SSO, VPC, and compliance | Self-serve monthly package with Stripe portal |
| Inference cost | You still pay underlying model providers | Packaged in flat subscription framing |
Strengths & limitations
Migration
Difficulty: easy. Point OpenAI-compatible clients to the Portkey gateway URL with a virtual key. Underlying provider keys are configured in the Portkey dashboard.
Generate migration codeYes. Unlimited Weekly and Unlimited Monthly packages include GPT-5.5, Codex, embeddings, and image endpoints with unlimited token consumption. Change base URL and API key — keep your existing SDK code.
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.
unlimitedcodex is a strong Portkey alternative for unlimited GPT-5.5 and Codex API access at $19/week or $76/month. Portkey is a gateway you configure over existing providers — you still pay inference. unlimitedcodex includes unlimited GPT-5.5 and Codex API in one flat subscription.
Portkey uses freemium saas plus production subscription and enterprise custom pricing with log-volume overages.. unlimitedcodex offers unlimited tokens on Unlimited Weekly at $19/week and Unlimited Monthly at $76/month ($59 first month with UNLIMITED59).
Portkey remains the better fit when production llm apps needing gateway reliability and fallbacks and platform teams managing many provider keys and team budgets.
Migration difficulty is easy. Point OpenAI-compatible clients to the Portkey gateway URL with a virtual key. Underlying provider keys are configured in the Portkey dashboard. After Stripe payment, setup delivery is expected in 10 minutes to 5 hours.
Unlimited GPT-5.5 & Codex
Unlimited Weekly $19/week | Unlimited Monthly $76/month | Monthly first month $59 with UNLIMITED59