GPT-5.4 Mini vs GPT-5 Mini
Complete pricing and performance comparison between OpenAI's GPT-5.4 Mini and OpenAI's GPT-5 Mini.
Quick Verdict
Cheaper
GPT-5 Mini
3.0x cheaper input, 2.3x cheaper output
Larger Context
GPT-5.4 Mini
400K vs 400K
Pricing Comparison
| Spec | GPT-5.4 Mini | GPT-5 Mini | Difference |
|---|---|---|---|
| Provider | OpenAI | OpenAI | |
| Input / 1M tokens | $0.75 | $0.25 | GPT-5 Mini is 67% more expensive |
| Output / 1M tokens | $4.5 | $2 | GPT-5 Mini is 56% more expensive |
| Context Window | 400K | 400K | Same |
| Max Output | 128K | 16K |
Performance Benchmarks
| Metric | GPT-5.4 Mini | GPT-5 Mini | Winner |
|---|---|---|---|
| Quality Index | -- | 41 | N/A |
| Output Speed | -- | 89 tok/s | N/A |
| Value (Quality/$) | -- | 164.8 | Higher = better value |
Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.
Cost at Scale
Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).
| Usage | GPT-5.4 Mini | GPT-5 Mini | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.0021 | $0.0008 | GPT-5 Mini saves $0.0012 |
10 requests 10K in / 3K out | $0.021 | $0.0085 | GPT-5 Mini saves $0.012 |
100 requests 100K in / 30K out | $0.210 | $0.085 | GPT-5 Mini saves $0.125 |
1,000 requests 1M in / 300K out | $2.10 | $0.850 | GPT-5 Mini saves $1.25 |
10,000 requests 10M in / 3M out | $21.00 | $8.50 | GPT-5 Mini saves $12.50 |
1M requests/mo 1B in / 300M out | $2100.00 | $850.00 | GPT-5 Mini saves $1250.00 |
Pros & Cons
GPT-5.4 Mini Strengths
- +Higher max output tokens
GPT-5 Mini Strengths
- +Cheaper input tokens
- +Cheaper output tokens
When to Use Each Model
Choose GPT-5.4 Mini for
- →Generating long-form content or detailed code
Choose GPT-5 Mini for
- →Budget-conscious projects where cost is the primary factor
Frequently Asked Questions
Which is cheaper, GPT-5.4 Mini or GPT-5 Mini?
For input tokens, GPT-5 Mini is 3.0x cheaper at $0.25/1M tokens. For output tokens, GPT-5 Mini is 2.3x cheaper at $2/1M tokens. At typical usage (1M input + 300K output), GPT-5.4 Mini costs $2.10 vs GPT-5 Mini at $0.850.
What's the context window difference?
GPT-5.4 Mini supports 400K context (400,000 tokens), while GPT-5 Mini supports 400K (400,000 tokens). GPT-5 Mini can handle 1x more context in a single request.
Which model has better benchmarks?
When should I choose GPT-5.4 Mini over GPT-5 Mini?
Choose GPT-5.4 Mini when you need: Higher max output tokens. Choose GPT-5 Mini when you need: Cheaper input tokens, Cheaper output tokens.
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): GPT-5.4 Mini = $21.00, GPT-5 Mini = $8.50. At 10K input + 1K output per request (longer conversations): GPT-5.4 Mini = $120.00, GPT-5 Mini = $45.00.