GPT-5.4 vs GPT-5.4 Nano
Complete pricing and performance comparison between OpenAI's GPT-5.4 and OpenAI's GPT-5.4 Nano.
Quick Verdict
Cheaper
GPT-5.4 Nano
12.5x cheaper input, 12.0x cheaper output
Larger Context
GPT-5.4
1.1M vs 400K
Pricing Comparison
| Spec | GPT-5.4 | GPT-5.4 Nano | Difference |
|---|---|---|---|
| Provider | OpenAI | OpenAI | |
| Input / 1M tokens | $2.5 | $0.2 | GPT-5.4 Nano is 92% more expensive |
| Output / 1M tokens | $15 | $1.25 | GPT-5.4 Nano is 92% more expensive |
| Context Window | 1.1M | 400K | 3x difference |
| Max Output | 128K | 128K |
Performance Benchmarks
| Metric | GPT-5.4 | GPT-5.4 Nano | Winner |
|---|---|---|---|
| Quality Index | 57 | -- | N/A |
| Output Speed | 83 tok/s | -- | N/A |
| Value (Quality/$) | 22.9 | -- | 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 | GPT-5.4 Nano | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.0070 | $0.0006 | GPT-5.4 Nano saves $0.0064 |
10 requests 10K in / 3K out | $0.070 | $0.0057 | GPT-5.4 Nano saves $0.064 |
100 requests 100K in / 30K out | $0.700 | $0.058 | GPT-5.4 Nano saves $0.642 |
1,000 requests 1M in / 300K out | $7.00 | $0.575 | GPT-5.4 Nano saves $6.42 |
10,000 requests 10M in / 3M out | $70.00 | $5.75 | GPT-5.4 Nano saves $64.25 |
1M requests/mo 1B in / 300M out | $7000.00 | $575.00 | GPT-5.4 Nano saves $6425.00 |
Pros & Cons
GPT-5.4 Strengths
- +Larger context window (1.1M vs 400K)
GPT-5.4 Nano Strengths
- +Cheaper input tokens
- +Cheaper output tokens
When to Use Each Model
Choose GPT-5.4 for
- →Long documents, large codebases, or multi-turn conversations
Choose GPT-5.4 Nano for
- →Budget-conscious projects where cost is the primary factor
Frequently Asked Questions
Which is cheaper, GPT-5.4 or GPT-5.4 Nano?
For input tokens, GPT-5.4 Nano is 12.5x cheaper at $0.2/1M tokens. For output tokens, GPT-5.4 Nano is 12.0x cheaper at $1.25/1M tokens. At typical usage (1M input + 300K output), GPT-5.4 costs $7.00 vs GPT-5.4 Nano at $0.575.
What's the context window difference?
GPT-5.4 supports 1.1M context (1,050,000 tokens), while GPT-5.4 Nano supports 400K (400,000 tokens). GPT-5.4 can handle 3x more context in a single request.
Which model has better benchmarks?
When should I choose GPT-5.4 over GPT-5.4 Nano?
Choose GPT-5.4 when you need: Larger context window (1.1M vs 400K). Choose GPT-5.4 Nano 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 = $70.00, GPT-5.4 Nano = $5.75. At 10K input + 1K output per request (longer conversations): GPT-5.4 = $400.00, GPT-5.4 Nano = $32.50.