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GPT-5 Codex

Canonical ID: zenmux/openai/gpt-5-codex

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Reasoning: Yes Tool use: Yes

Overview

text image
Provider
Zenmux logo Zenmux
Family
gpt-5-codex
Release date
2025-09-23
Last updated
2025-09-23
Input modalities
text, image
Output modalities
text

Pricing and Limits

Token pricing

Input
$1.25/1M
Output
$10/1M
Cached input
N/A
Currency: USD

Context and output

Context window
400,000
Max output tokens
64,000
Qualified ID
zenmux/openai/gpt-5-codex

Model Summary

GPT-5 Codex is a model listing in the Zenmux provider catalog. It is categorized under the gpt-5-codex family.

The model supports text, image modalities across input/output paths. Reported context capacity is 400,000. Pricing is listed at $1.25/1M input and $10/1M output.

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