GPT-5.4 Mini vs GPT-4o (Omni)
Compare GPT-5.4 Mini vs GPT-4o (Omni) API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
GPT-5.4 Mini charges $0.75/1M input and $4.50/1M output tokens, compared to GPT-4o (Omni) at $2.50/1M input and $10.00/1M output. GPT-5.4 Mini is 3.3x cheaper on input tokens. In reasoning benchmarks, Neither rated holds the higher AA Intelligence Index rating. For latency-critical streaming, throughput figures are not yet measured for at least one of these models.
Full Metric & Specification Comparison
| Metric | GPT-5.4 Mini | GPT-4o (Omni) | Advantage |
|---|---|---|---|
| Provider | OpenAI | OpenAI | - |
| Input Token Cost (1M) | $0.750 | $2.500 | GPT-5.4 Mini |
| Output Token Cost (1M) | $4.500 | $10.000 | GPT-5.4 Mini |
| Context Window | 400k tokens | 128k tokens | GPT-5.4 Mini |
| AA Intelligence Index | Unrated | Unrated | Unrated |
| Streaming Latency | Ultra-Fast | Unrated | - |
Key Architectural Takeaways
- Input Token Cost: GPT-5.4 Mini is $0.75/1M vs GPT-4o (Omni) at $2.50/1M
- Output Token Cost: GPT-5.4 Mini is $4.50/1M vs GPT-4o (Omni) at $10.00/1M
- Context Window: GPT-5.4 Mini supports 400k tokens vs GPT-4o (Omni) with 128k tokens
- Benchmark Intelligence Rating: not rated for one or both models
- Inference Latency: GPT-5.4 Mini is rated Ultra-Fast vs GPT-4o (Omni) rated null
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying GPT-5.4 Mini over GPT-4o (Omni) saves $67.50/mo ($810/yr) at this volume.
Frequently Asked Questions
Is GPT-5.4 Mini cheaper than GPT-4o (Omni)?
GPT-5.4 Mini is significantly more economical, charging $0.75/1M input compared to $2.50/1M for GPT-4o (Omni).
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose GPT-5.4 Mini. If you require peak reasoning accuracy and complex tool use, Neither rated is recommended.
How does context window compare between GPT-5.4 Mini and GPT-4o (Omni)?
GPT-5.4 Mini offers the larger context window (400k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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