GPT-5.4 mini vs o3-mini

Compare OpenAI and OpenAI AI models

OpenAI

GPT-5.4 mini

OpenAI

o3-mini

Try OpenAI →

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

GPT-5.4 mini

Per Request:$0.003000

Daily:$0.30

Monthly:$9.00

Yearly:$109.50

o3-mini

Per Request:$0.003300

Daily:$0.33

Monthly:$9.90

Yearly:$120.45

Cost Differences

+$0.000300

Per Request

+$0.03

Daily

+$0.90

Monthly

+$10.95

Yearly

o3-mini costs more than GPT-5.4 mini

Feature Comparison

Feature	GPT-5.4 mini	o3-mini
Provider	OpenAI	OpenAI
Input Price	$0.75/1M tokens	$1.10/1M tokens
Output Price	$4.50/1M tokens	$4.40/1M tokens
Context Window	1,050,000 tokens	500,000 tokens
Max Output	65,536 tokens	65,536 tokens
Category	efficient	reasoning
Capabilities	textvisioncode	textreasoningcode
Release Date	3/6/2026	1/31/2025

GPT-5.4 mini vs o3-mini: Which Should You Choose?

Choosing between GPT-5.4 mini and o3-mini depends on your priorities: cost efficiency, context length, or raw capability. GPT-5.4 mini is the more affordable option at $0.75/1M input tokens — 32% cheaper than o3-mini. Meanwhile, GPT-5.4 mini offers a significantly larger context window at 1,050,000 tokens vs 500,000 for o3-mini.

These models target different tiers: GPT-5.4 mini is a efficient model while o3-mini is reasoning. This means they're optimized for different workloads. o3-mini targets more demanding workloads, while GPT-5.4 mini provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-5.4 mini charges $4.50/1M output tokens vs $4.40 for o3-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-5.4 mini has the edge here at $4.50/1M output tokens.

Multimodal capabilities: GPT-5.4 mini supports vision (image inputs) while o3-mini is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose GPT-5.4 mini when:

• Budget is a primary concern
• You need a larger context window (1,050,000 tokens)
• You're already using OpenAI's API ecosystem
• You're running high-volume, latency-sensitive workloads

Choose o3-mini when:

• You're already using OpenAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

GPT-5.4 mini (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

o3-mini (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

Start using GPT-5.4 mini today

Start using o3-mini today

Frequently Asked Questions

Which is cheaper, GPT-5.4 mini or o3-mini?▼

GPT-5.4 mini is cheaper for input tokens at $0.75 per million tokens vs $1.10 for o3-mini — that's 32% savings on input costs.

What is the context window difference between GPT-5.4 mini and o3-mini?▼

GPT-5.4 mini supports 1,050,000 tokens while o3-mini supports 500,000 tokens — a difference of 550,000 tokens in favor of GPT-5.4 mini.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, GPT-5.4 mini is the lower-cost option, while GPT-5.4 mini offers a larger context window (1,050,000 vs 500,000 tokens). Choose GPT-5.4 mini for budget sensitivity or GPT-5.4 mini for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, GPT-5.4 mini costs about $9.00/month and o3-mini costs about $9.90/month. Overall, GPT-5.4 mini has lower combined input + output rates ($0.75 in, $4.50 out) vs o3-mini.