GPT-5.4 mini vs o4-mini
GPT-5.4 mini vs o4-mini: GPT-5.4 mini is cheaper for input-heavy usage ($0.75/M vs $1.10/M input tokens), while o4-mini is better for long-context tasks (2,000,000 tokens).
Direct answer: choose GPT-5.4 mini for lower token spend and choose o4-mini when your workload needs longer context.
Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-5.4 mini
o4-mini
Cost Differences
o4-mini costs more than GPT-5.4 mini
Quick Recommendation
Winner for direct API pricing: GPT-5.4 mini. At the default workload, GPT-5.4 mini saves about $0.90/month ($10.95/year) versus o4-mini.
Feature Comparison
| Feature | GPT-5.4 mini | o4-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 | 2,000,000 tokens |
| Max Output | 65,536 tokens | 131,072 tokens |
| Category | efficient | reasoning |
| Capabilities | textvisioncode | textreasoningcode |
| Release Date | 3/6/2026 | 4/16/2025 |
GPT-5.4 mini vs o4-mini: Which Should You Choose?
Choosing between GPT-5.4 mini and o4-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 o4-mini. Meanwhile, o4-mini offers a significantly larger context window at 2,000,000 tokens vs 1,050,000 for GPT-5.4 mini.
These models target different tiers: GPT-5.4 mini is a efficient model while o4-mini is reasoning. This means they're optimized for different workloads. o4-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 o4-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 o4-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're already using OpenAI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose o4-mini when:
- • You need a larger context window (2,000,000 tokens)
- • You need longer outputs (up to 131,072 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
GPT-5.4 mini
- • Input pricing: $0.75/M tokens
- • Output pricing: $4.50/M tokens
- • Context window: 1,050,000 tokens
- • Max output: 65,536 tokens
Watch out for
- • Higher output cost than o4-mini
- • Smaller context window than o4-mini
o4-mini
- • Input pricing: $1.10/M tokens
- • Output pricing: $4.40/M tokens
- • Context window: 2,000,000 tokens
- • Max output: 131,072 tokens
Watch out for
- • Higher input cost than GPT-5.4 mini
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-5.4 mini (OpenAI)
o4-mini (OpenAI)
Start using GPT-5.4 mini today
Sign Up for OpenAI →Start using o4-mini today
Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, GPT-5.4 mini or o4-mini?▼
What is the context window difference between GPT-5.4 mini and o4-mini?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Related Comparisons
Related Articles
Learn when to pick each model, then compare live pricing scenarios.