CodexOne

High-speed global access to GPT model APIs

Access GPT text, Codex, image, and deep research models with transparent pricing, multiple speed tiers, and production-ready API connectivity.

Built for developers, teams, and production workloads.

1 RMB = 6 USD Transparent recharge ratio for fast GPT cost estimation and planning.
1 / 1.3 / 1.6 Low, standard, and high-speed tiers mapped to latency and cache efficiency.
Global high-speed access Designed for cross-region teams that need fast, production-ready GPT workflows.
GPT-onlyGlobal high-speed access3 speed tiersTransparent pricing
GPT-onlyHigh-speed global accessCoding, image, and research supportTransparent recharge rateFlexible speed tiersBuilt for developers and teams
Models

Built around core GPT models

From text generation and coding to image creation and deep research, CodexOne gives developers and teams access to the GPT models they actually use.

GPT-5.5

Advanced text and complex task handling

Ideal for high-quality generation, advanced reasoning, and general-purpose workloads.

GPT-5.4

Stable general-purpose access

Suitable for everyday development, stable workloads, and long-running business use.

GPT-5.3 Codex

Built for coding workflows

Great for code generation, refactoring, scripting, and developer tooling.

GPT-5.4 Mini

Lightweight and cost-efficient

Best for higher-frequency requests and cost-sensitive workloads.

GPT-Image-2

Image generation capability

Suitable for creative production, visual workflows, and marketing assets.

GPT-5.5 Pro

Deep research and advanced analysis

Designed for long-chain reasoning, research-heavy tasks, and complex outputs.

Pricing

Transparent pricing with flexible speed tiers

Choose the right balance of cost, responsiveness, cache efficiency, and request reuse for your workload.

Recharge rate: 1 RMB = 6 USD
Low Speed

Multiplier 1

  • Cost-first option
  • Good for batch and non-real-time workloads
  • Basic response experience
  • Lower cache efficiency
  • Best for budget-sensitive use
Standard

Multiplier 1.3

  • Balanced cost and speed
  • Better responsiveness
  • Higher cache efficiency
  • Better request reuse
  • Ideal for day-to-day development and business use

Each tier offers a different balance of response speed, cache efficiency, request reuse, and overall experience.

Why CodexOne

Why developers and teams choose CodexOne

A more focused model lineup, clearer pricing logic, and a better fit for real-world API workloads.

GPT-focused model access

Built around GPT model use cases instead of broad, generic model coverage.

High-speed global connectivity

Designed for faster access and smoother API usage across real workloads.

Transparent pricing logic

Recharge rate and speed tiers are clearly defined for easier cost planning.

Coverage for multiple workload types

Text, coding, image generation, and deep research in one service.

Better fit for real business integration

From prototypes to production, CodexOne helps you start fast and scale usage.

Built for developers and teams

Suitable for solo builders, automation workflows, internal tools, and product teams.

Use Cases

Built for real-world workloads

From shipping AI features to integrating internal workflows, CodexOne is designed for practical use.

AI application development

Integrate GPT-powered experiences for chat, generation, search, and user-facing workflows.

Coding and developer workflows

Use GPT-5.3 Codex for code generation, refactoring, automation, and development tooling.

Image generation

Create visual content and production-ready creative assets with GPT-Image-2.

Deep research and advanced analysis

Use GPT-5.5 Pro for longer reasoning chains, advanced analysis, and research-heavy tasks.

Internal team tools

Power internal copilots, automation systems, and AI-enhanced operational workflows.

Automation and API integrations

Fit high-frequency scripts, backend jobs, and production API integrations.

Integrate Fast

Start fast and integrate with confidence

Sign in, access the dashboard, choose the right model and speed tier, and integrate CodexOne into your workflows through the documentation.

  • Sign in and access the dashboard
  • Review supported models and usage flows
  • Choose the right speed tier for your workload
  • Use the docs to integrate with confidence
FAQ

Frequently Asked Questions

Which models does CodexOne support?

CodexOne currently supports GPT-5.5, GPT-5.4, GPT-5.3 Codex, GPT-5.4 Mini, GPT-Image-2, and GPT-5.5 Pro.

Is CodexOne GPT-only?

Yes. CodexOne is focused on GPT model API access.

How does pricing work?

The current recharge rate is 1 RMB = 6 USD, and actual usage cost depends on the selected speed tier multiplier.

What is the difference between Low Speed, Standard, and High Speed?

The tiers differ in response speed, cache efficiency, request reuse, and overall experience, making them suitable for different cost and performance needs.

Why is High Speed better for production workloads?

High Speed is designed for faster response, better cache efficiency, and stronger request reuse, making it a better fit for performance-sensitive production use.

Do you support image generation?

Yes. CodexOne supports GPT-Image-2 for image generation use cases.

What is GPT-5.5 Pro best for?

It is best suited for deep research, complex reasoning, and advanced analytical tasks.

Is CodexOne suitable for teams?

Yes. CodexOne is built for both individual developers and team-based integration scenarios.

How do I get started?

Click “Get Started,” sign in, and access the dashboard. You can then use the documentation to integrate the service into your workflows.

Trust

Built for real API workloads

Trust signals such as usage scale, performance metrics, and customer validation can be added later.

Performance metrics

Reserved for future performance data, workload scale, and customer proof points.

Usage scale

Reserved for future performance data, workload scale, and customer proof points.

Customer validation

Reserved for future performance data, workload scale, and customer proof points.

Launch Your Workflow

Start using GPT model APIs with CodexOne

Built for developers, teams, and real production workloads.