Capabilities
7-day heat trend
−22.5%Pricing breakdown
Typical 3:1 output-to-input mix, per 1M tokens
Estimated monthly cost by workload
Market position
- Cheaper than 9% of tracked models
- Faster than 53% of tracked models
- Efficiency rank: #1010 of 1105
Best suited for
Code generation, refactoring and review, and developer-tooling workloads with large context.
About gpt-5-codex
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering ta...
gpt-5-codex is a Code model from OpenAI (US). HotON.ai tracks it at $1.25 per 1M input tokens and $10.00 per 1M output tokens, with a 400K-token context window, ~149 tokens/sec throughput and 100.0% availability. Its composite efficiency score is 87/100 at an estimated $0.008 per successful task.
Compare gpt-5-codex
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Frequently asked questions
How much does gpt-5-codex cost per 1M tokens?+
gpt-5-codex is tracked at $1.25 per 1M input tokens and $10.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $7.81 per 1M tokens. Figures are illustrative demo data.
What is gpt-5-codex best for?+
Code generation, refactoring and review, and developer-tooling workloads with large context.
How fast is gpt-5-codex?+
gpt-5-codex delivers about 149 tokens/sec with 100.0% tracked availability, suitable for latency-sensitive, real-time applications.
Is gpt-5-codex cheaper than other AI models?+
Within the HotON.ai tracked set, gpt-5-codex is cheaper than 9% of models on input price and ranks #1010 of 1105 by overall efficiency.
Related models
Pricing is real (via the TestKey catalog, updated daily). Quality (Arena Elo) is real where the model is ranked on LMArena. Speed, availability and efficiency are modeled estimates.