OpenAI

GPT-5.4 — Benchmark Scores, Pricing & Performance Analysis

Input Cost
$2.5/1M
Output Cost
$15.0/1M
Context Window
1.1M
Max Output
128K
Knowledge Cutoff
Aug 2025
Accepts
text, image, pdf

GPT-5.4 is an AI model by OpenAI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.

Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.

Coding Benchmarks

Design Arena ELO
120142nd of 120

Human preference ELO for building things — websites, UI, games, charts, SVG

Design Arena (via OpenRouter)
AA Coding Index
71.122nd of 96

Artificial Analysis composite coding score

Artificial Analysis (via OpenRouter)
Website Arena ELO
121046th of 108

Human preference ELO for building a working web page from a brief

Design Arena (via OpenRouter)

Reasoning Benchmarks

GPQA Diamond
90.3%12th of 140

Graduate-level science Q&A by domain experts

Papers
τ²-Bench Airline
75.7%19th of 93

Multi-turn service agent making tool calls under strict policy constraints

OpenRouter (measured)

Cost Benchmarks

Input Cost
$2.5361st of 413

Cost per 1M input tokens

OpenRouter API
Output Cost
$15.0370th of 413

Cost per 1M output tokens

OpenRouter API
Cached Input Cost
$0.25107th of 136

Cost per 1M cached input tokens — the price that actually applies to a long agent conversation

OpenRouter API

Context Benchmarks

Context Length
1.1M9th of 451

Maximum context window size

OpenRouter API

Available from 43 providers

The same model costs different amounts depending on who serves it. You can bring your own key for 5 of these — connect it here.

ProviderInput / 1MOutput / 1MCached inContextYour key
UnoRouter$0$01.1M
Xpersona$0.75$6$0.0751.1M
Poe$2.2$14$0.221.1M
302.AI$2.5$15$0.251.1M
Abacus$2.5$15$0.25400K
AIHubMix$2.5$15$0.251.1M
AI-ROUTER$2.5$15$0.251.1M
Azure$2.5$15$0.251.1MSupported
Azure Cognitive Services$2.5$15$0.251.1M
Cloudflare AI Gateway$2.5$15$0.251.0M
CrossModel$2.5$15$0.251.1M
DaoXE$2.5$15$0.251.1M
Databricks$2.5$15$0.251.1M
DevPass (LLM Gateway)$2.5$15$0.251.1M
Eden AI$2.5$15$0.251.1M
FreeModel$2.5$15$0.251.1M
GitHub Copilot$2.5$15$0.251.1M
Impossibl$2.5$15$0.251.1M
Kilo Gateway$2.5$15$0.251.1M
LLM Gateway$2.5$15$0.251.1M
Merge Gateway$2.5$15$0.251.1M
NanoGPT$2.5$15$0.251.1M
NEAR AI Cloud$2.5$15$0.251.1M
Neon$2.5$15$0.251.1M
Ofox$2.5$15$0.251.1M
OpenAI$2.5$15$0.251.1MSupported
OpenCode Zen$2.5$15$0.251.1M
OpenRouter$2.5$15$0.251.1MSupported
Opper$2.5$15$0.251.1M
OrcaRouter$2.5$15$0.251.1M
Perplexity Agent$2.5$15$0.251.1M
Pioneer$2.5$15$0.251.1M
SAP AI Core$2.5$15$0.251.1M
Vivgrid$2.5$15$0.25400K
Amazon Bedrock$2.75$16.5$0.275272KSupported
Requesty$2.75$16.5$0.2751.1M
Cortecs$2.898$15.453$0.2421.1M
Venice AI$3.13$18.8$0.3131.0M
ZenMux$3.75$18.751.1M
Vercel AI Gateway$5$30$0.51.1MSupported
AnyAPI1.1M
Model Oracle AI1.1M
Snowflake Cortex1.1M

GPT-5.4 — Benchmark Scores Overview

Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).

GPT-5.4 — Frequently Asked Questions

How much does GPT-5.4 cost?

GPT-5.4 costs $2.5 per 1M input tokens and $15.0 per 1M output tokens. This is mid-range pricing for its capability level.

What is the context window of GPT-5.4?

GPT-5.4 has a context window of 1.1M tokens. This determines how much text, conversation history, and code the model can process in a single request.

Who created GPT-5.4?

GPT-5.4 was created by OpenAI. It is classified as a mid model in our catalogue.

Is GPT-5.4 open source?

No, GPT-5.4 is a proprietary model. It is available through OpenAI's API and compatible providers.