OpenAI: GPT-5 Codex (batch)
Analysis Summary
GPT-5 Codex is an OpenAI coding-focused variant with a practical API profile for software workflows. It supports text and image input, vision, tool use, function calling, and a 400K context window, allowing coding assistants to work across substantial repositories and interact with connected tools.
The configuration suits code generation, debugging, repository explanation, and agentic development tasks where cost matters. Its input and output prices are considerably lower than the premium GPT-5 listings, improving its fit for repeated engineering calls. However, this specific variant has no benchmark data in the supplied record, so its coding strength and reliability remain unverified. Teams should validate repository-level performance before assigning autonomous changes or high-risk production work.
Assessed August 9, 2026
Editorial notes
GPT-5 Codex pairs a 400K context window with vision, tool use, and function calling at substantially lower pricing than OpenAI's premium variants. It is positioned for coding workflows, although this specific listing has no benchmark record.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
GPT-5 Codex pairs a 400K context window with vision, tool use, and function calling at substantially lower pricing than OpenAI's premium variants. It is positioned for coding workflows, although this specific listing has no benchmark record.
How OpenAI: GPT-5 Codex (batch) compares
Its 400K-token context window is larger than 76% of the models we list. At $0.63 per million input tokens it is cheaper than 34% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.63 | $0.000625 |
| Output | $5.00 | $0.005000 |
What would OpenAI: GPT-5 Codex (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 748 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save OpenAI: GPT-5 Codex (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout OpenAI: GPT-5 Codex (batch)
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 tasks..
Frequently asked questions about OpenAI: GPT-5 Codex (batch)
How much does OpenAI: GPT-5 Codex (batch) cost?
OpenAI: GPT-5 Codex (batch) costs $0.63 per million input tokens and $5.00 per million output tokens.
What is the context window of OpenAI: GPT-5 Codex (batch)?
OpenAI: GPT-5 Codex (batch) has a context window of 400,000 tokens (400K).
What can OpenAI: GPT-5 Codex (batch) do?
OpenAI: GPT-5 Codex (batch) supports image/vision input, tool use, and function calling.
Who created OpenAI: GPT-5 Codex (batch)?
OpenAI: GPT-5 Codex (batch) is developed by OpenAI and was released on September 23, 2025.