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GPT-5 CodexOpenAI · New GPT-5 Codex HighOpenAI · New GPT-5 Codex MediumOpenAI · New View all Models346 models · 50 free

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API DocumentationOpenAI-compatible endpoints, auth, and SDK guides.Cost CalculatorEstimate multi-provider model spend before routing traffic.ResearchEvaluation notes and architecture decisions from the Apertis team.BrandApertis identity assets, product language, and launch notes.All Systems OperationalStatus page and uptime history.

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Apertis AI by STIMA AI LLC.

All Systems Operational

Product

Coding PlanNew
VerbatimComing
HelmwayComing
Models
Pricing
Cost Calculator
Chat

Resources

API Documentation
Enterprise
Research
Brand
Academic Access
Changelog
Ideas
vs Together AI
vs LiteLLM
vs OpenRouter
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2.2.23 — Price Updated | Apertis AI Changelog

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GPT-5 CodexOpenAI · New GPT-5 Codex HighOpenAI · New GPT-5 Codex MediumOpenAI · New View all Models346 models · 50 free

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API DocumentationOpenAI-compatible endpoints, auth, and SDK guides.Cost CalculatorEstimate multi-provider model spend before routing traffic.ResearchEvaluation notes and architecture decisions from the Apertis team.BrandApertis identity assets, product language, and launch notes.All Systems OperationalStatus page and uptime history.

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2.2.23 — Price Updated

2026-03-06

Update prices with 20% off for GPT-5.4 Models

GPT-5.4GPT-5.4 Pro

The prices for GPT-5.4 and GPT-5.4 Pro are updated to 20% off.

Enjoy it.

Apertis AI by STIMA AI LLC.

All Systems Operational

Product

Coding PlanNew
VerbatimComing
HelmwayComing
Models
Pricing
Cost Calculator
Chat

Resources

API Documentation
Enterprise
Research

Academic Access

Developers

API Reference
Quickstart Guide
SDKs & Libraries
Agent Skill
MCP Server

Contact

Email
Facebook
Instagram
LinkedIn
GitHub

Legal

Terms of Service
Privacy Policy
Refund Policy
GitHub Promotion
DPA (Data Processing)
Compliance & Security

AWSPartner Network Member PCI DSSvia Stripe DPAAvailable MFASupported

© 2026 STIMA AI LLCSecurity & Compliance DPA requests Service Status