---
title: "GPT 5.3 Codex Benchmarks - RankedAGI"
description: "Detailed benchmark and metadata record for GPT 5.3 Codex."
source: "https://rankedagi.com/models/gpt-5-3-codex"
---

# GPT 5.3 Codex

| Field | Value |
| --- | --- |
| Organization | OpenAI |
| License | Proprietary |
| Type | Thinking |
| Version | Latest |
| Released | 2026-02-05 |
| Last updated | 2026-04-27T16:44:18.480Z |

## Benchmarks

| Benchmark | Category | Value | Description | Source |
| --- | --- | --- | --- | --- |
| RankedAGI Coding | coding | 74.2% | RankedAGI Coding Score |  |
| SWEBench Pro | coding | 56.8% | Diverse Agentic Coding |  |
| Terminal-Bench 2.0 | coding | 77.3% | Agentic Terminal Coding | https://www.tbench.ai/leaderboard/terminal-bench/2.0 |
| RankedAGI Agentic | Agents | 71.5% | RankedAGI Agentic Score |  |
| Code Arena | coding | 1407 | Code Arena Elo Score | https://arena.ai/leaderboard/code |
| Livebench Coding 26.1 | coding | 78.2% | Livebench Coding 26.01.08 | https://livebench.ai/#/?Coding=a&sort=Coding+Average&variants=true&highunseenbias=true |
| LiveBench Agentic Coding 26.1 | coding | 63.7% |  | https://livebench.ai/#/?Agentic+Coding=a&sort=Agentic+Coding+Average&variants=true&highunseenbias=true |
| OSWorld-Verified | Agents | 64.7% |  |  |
| SvelteBench | coding | 96.7% | SvelteBench - Benchmark for Svelte | https://khromov.github.io/svelte-bench/benchmark-results-merged.html |
| RankedAGI Reasoning | reasoning | 73.6% | RankedAGI Reasoning Score |  |
| Vending Bench 2 | Agents | $5,940.12 | Benchmark for measuring AI model performance on running a business over long time horizons. Models are tasked with running a simulated vending machine business over a year and scored on their bank account balance at the end. | https://andonlabs.com/evals/vending-bench-2 |
| RankedAGI Math | math | 70.2% | RankedAGI Math Score |  |
| RankedAGI Overall | general | 66.2% | Overall RankedAGI score |  |
| GDPval-AA Elo | Agents | 1480 | Office Tasks (Artificial Analysis) |  |
| Code DesignArena | Design | 1210 |  | https://www.designarena.ai/leaderboard/code |
| Toolathlon | Agents | 51.9% | Benchmark to assess language agents' general tool use in realistic environments. | https://toolathlon.xyz/introduction |

## Model Links

| Title | URL |
| --- | --- |
| Release | https://openai.com/index/introducing-gpt-5-3-codex/ |