GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2.
Recorded modality support shows what this model can accept and produce. An undocumented modality is shown as unknown rather than assumed to be unsupported.
Accepts
Produces
Gpt 5.3 Codex@Eastus2 is listed in Requesty’s public model catalogue under the exact routing identifier azure/gpt-5.3-codex@eastus2. GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2.
At the time this draft was collected, the catalogue records a context window of 400,000 tokens and a maximum output of 128,000 tokens. It records reasoning support, vision input support, tool-calling support, and no image-generation flag. These fields describe the routing catalogue entry and should be rechecked against the current provider documentation before production use.
The source catalogue reports input and output prices when available. Pricing can depend on the route, region, token tier, cache use, account, and date, so this record does not infer a commercial commitment from a single snapshot. Confirm current pricing, data handling, regional controls, rate limits, and availability with the current upstream documentation.
This is a source-backed draft imported from Requesty’s public catalogue. It is not published automatically. An editor must verify the exact model identifier, the material claims, and the chosen deployment path before approving it for public discovery or sitemap inclusion.
Use the recorded facts as a shortlist, then validate the model against representative inputs and production constraints.
Gpt 5.3 Codex@Eastus2 is categorized for Image-text-to-text, Text-to-text AI models. Its current record accepts text, image and produces text. Confirm file formats, preprocessing, and provider-specific request schemas before implementation.
The directory records 400K context and 128K maximum output. Listed token prices are $1.75 input and $14.00 output per 1M tokens. Treat missing values as unknown and recheck current commercial terms.
Recorded output speed is — and time to first token is —. Hosting route, region, prompt length, concurrency, and provider load can materially change both measurements.
This page separates sourced model facts from incomplete fields. Benchmark evidence is displayed only when its source is linked and verified. Before choosing Gpt 5.3 Codex@Eastus2, test task quality, tool reliability, safety behavior, data controls, rate limits, and total cost on the exact route you intend to use.
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