OpenAI: GPT-5.3-Codex
🇺🇸 OpenAI · GPT-5.3-Codex
Input Price $1.75 per million tokens NT$56.0
Output Price $14.00 per million tokens NT$448
Context Window 400K tokens Output limit: 128K
OpenRouter Route Price Please verify with official pricing pages
| Dimension | Unit | Price (USD) |
|---|---|---|
| Input | per 1M tokens | $1.75 |
| Output | per 1M tokens | $14.00 |
| Cached Input | per 1M tokens | $0.175 |
| Web Search | per search | $0.010 |
- Provider
- OpenAI (OpenAI)
- Model Family
- GPT-5.3-Codex
- Version String
- openai/gpt-5.3-codex
- Status
- active
- Modality
- text, image, file
- Context Window
- 400,000 tokens
- Output Limit
- 128,000 tokens
Index Metrics
Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis
Agentic Index 61 S Measured: 2026-05-27
Coding Index 53 A Measured: 2026-05-27
Intelligence Index 54 A Measured: 2026-05-27
Benchmark Scores
Data source: Artificial Analysis
AA-LCR 74.0% B Measured: 2026-05-27
GPQA Diamond 91.5% S Measured: 2026-05-27
HLE 39.9% S Measured: 2026-05-27
HLE 39.9% S Measured: 2026-05-27
IFBench 75.4% A Measured: 2026-05-27
MMMU Pro 78.5% A Measured: 2026-05-27
Non-Hallucination 13.1% Measured: 2026-05-27
Omniscience Accuracy 51.8% Measured: 2026-05-27
SciCode 53.2% A Measured: 2026-05-27
Tau2 86.0% Measured: 2026-05-27
TerminalBench 53.0% Measured: 2026-05-27
Performance Metrics
Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis
First Token Latency 95.6s Measured: 2026-05-27
Output Speed 83 t/s Measured: 2026-05-27
Response Time 101.7s Measured: 2026-05-27
90-Day Price Trend
Input / Output price (USD per 1M tokens)
Past 90 days of records; every price change is shown here
| Date | Dimension | Price (USD) | Source |
|---|---|---|---|
| 2026-05-27 | Web Search | $0.010 | openrouter |
| 2026-05-27 | Cached Input | $0.175 | openrouter |
| 2026-05-27 | Output | $14.00 | openrouter |
| 2026-05-27 | Input | $1.75 | openrouter |
| 2026-05-26 | Web Search | $0.010 | openrouter |
| 2026-05-26 | Cached Input | $0.175 | openrouter |
| 2026-05-26 | Output | $14.00 | openrouter |
| 2026-05-26 | Input | $1.75 | openrouter |
| 2026-05-25 | Web Search | $0.010 | openrouter |
| 2026-05-25 | Cached Input | $0.175 | openrouter |
| 2026-05-25 | Output | $14.00 | openrouter |
| 2026-05-25 | Input | $1.75 | openrouter |
| 2026-05-24 | Web Search | $0.010 | openrouter |
| 2026-05-24 | Cached Input | $0.175 | openrouter |
| 2026-05-24 | Output | $14.00 | openrouter |
| 2026-05-24 | Input | $1.75 | openrouter |
| 2026-05-23 | Web Search | $0.010 | openrouter |
| 2026-05-23 | Cached Input | $0.175 | openrouter |
| 2026-05-23 | Output | $14.00 | openrouter |
| 2026-05-23 | Input | $1.75 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cached Input | $0.175 | openrouter |
| 2026-05-22 | Output | $14.00 | openrouter |
| 2026-05-22 | Input | $1.75 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cached Input | $0.175 | openrouter |
| 2026-05-22 | Output | $14.00 | openrouter |
| 2026-05-22 | Input | $1.75 | openrouter |
| 2026-05-21 | Web Search | $0.010 | openrouter |
| 2026-05-21 | Cached Input | $0.175 | openrouter |
| 2026-05-21 | Output | $14.00 | openrouter |
| 2026-05-21 | Input | $1.75 | openrouter |
| 2026-05-20 | Web Search | $0.010 | openrouter |
| 2026-05-20 | Cached Input | $0.175 | openrouter |
| 2026-05-20 | Output | $14.00 | openrouter |
| 2026-05-20 | Input | $1.75 | openrouter |
| 2026-05-19 | Web Search | $0.010 | openrouter |
| 2026-05-19 | Cached Input | $0.175 | openrouter |
| 2026-05-19 | Output | $14.00 | openrouter |
| 2026-05-19 | Input | $1.75 | openrouter |
| 2026-05-18 | Web Search | $0.010 | openrouter |
| 2026-05-18 | Cached Input | $0.175 | openrouter |
| 2026-05-18 | Output | $14.00 | openrouter |
| 2026-05-18 | Input | $1.75 | openrouter |
| 2026-05-17 | Web Search | $0.010 | openrouter |
| 2026-05-17 | Cached Input | $0.175 | openrouter |
| 2026-05-17 | Output | $14.00 | openrouter |
| 2026-05-17 | Input | $1.75 | openrouter |
| 2026-05-16 | Web Search | $0.010 | openrouter |
| 2026-05-16 | Cached Input | $0.175 | openrouter |
Description
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. It achieves state-of-the-art results...
Key Insights
Key data points from this page for quick reference and citation.
- OpenAI: GPT-5.3-Codex Input price: $1.75/M tokens
- OpenAI: GPT-5.3-Codex Output price: $14/M tokens
- Context window: 400,000 tokens
- Provider: OpenAI
- Model family: GPT-5.3-Codex
- Modalities: text, image, file
- Data source: OpenRouter, updated daily