Abacus

GPT-5.3 Codex XHigh

Name: GPT-5.3 Codex XHigh
Brand: Abacus

Canonical ID: abacus/gpt-5.3-codex-xhigh

More Abacus models More gpt-5.3-codex-xhigh family models

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

Reasoning: Yes Tool use: Yes

Overview

text image pdf

Provider: Abacus
Family: gpt-5.3-codex-xhigh
Release date: 2026-02-05
Last updated: 2026-02-05
Input modalities: text, image, pdf
Output modalities: text

Pricing and Limits

Token pricing

Input: $1.75/1M
Output: $14/1M
Cached input: N/A

Context and output

Context window: 400,000
Max output tokens: 128,000
Qualified ID: abacus/gpt-5.3-codex-xhigh

Model Summary

GPT-5.3 Codex XHigh is a model listing in the Abacus provider catalog. It is categorized under the gpt-5.3-codex-xhigh family.

The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 400,000. Pricing is listed at $1.75/1M input and $14/1M output.

GPT-5.3 Codex XHigh

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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