Model Details
Where is GPT-5.4 Nano a perfect fit?
- Massive-scale automation pipelines (millions of requests)
- Real-time micro-interactions in apps and systems
- Lightweight agentic tasks with minimal reasoning depth
- Classification, tagging, filtering, and routing workloads
- Edge deployments and resource-constrained environments
- Pre-processing layers before higher-tier model usage
Quick Model Estimate
Your GPT-5.4 Nano Cost Estimate
๐ฐ Total Cost
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for 1000 input + 1000 output tokens
Cost Breakdown
Prices are watched for changes and checked against the provider's own page.
Pricing
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 OpenAI | Text | Standard | $0.2000 | $1.2500 | $0.0200 | Up to 272,000 tokens | โ |
| OpenAI | Text | Batch | $0.1000 | $0.6250 | $0.0100 | Up to 272,000 tokens | โ |
| OpenAI | Text | Flex | $0.1000 | $0.6250 | $0.0100 | Up to 272,000 tokens | โ |
No longer offered by
The last prices each provider charged for GPT-5.4 Nano before it stopped offering it. These are no longer on offer. Each row links to that provider's price history.
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 Perplexity | 28th Sep 2026Provider stopped offering it | Text | Standard | $0.2000 | $1.2500 | $0.0200 | 400,000 tokens | โ |
Recent changes
When GPT-5.4 Nano was newly listed on a provider, moved to legacy or deprecated, or retired.
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Legacy
OpenAI moved GPT-5.4 Nano to legacy, retiring it on 1st Apr 2027, with GPT-6 Luna as the suggested replacement.
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Discontinued
Perplexity stopped offering OpenAI's GPT-5.4 Nano.
Benchmarks
Scores from standardized evaluations by Artificial Analysis and Design Arena. Higher is better โ the indices summarize overall ability, while the detailed scores break down performance on individual benchmarks.
Artificial Analysis
Higher is better ยท benchmarked by Artificial AnalysisGraduate-level questions in biology, chemistry & physics
Expert-level questions across many academic domains
Precise following of detailed instructions
Tool-using agent tasks in a telecom support setting
Unpublished physics research reasoning problems
Long-context reasoning across large inputs
Research-level scientific coding tasks
Complex command-line and terminal workflows
Economically valuable, real-world knowledge work
Breadth of factual knowledge across domains
How reliably the model avoids fabricated answers
| Variant | GPQA Diamond | Humanity's Last Exam | IFBench | ฯยฒ-Bench Telecom | AA-LCR | SciCode | Terminal-Bench Hard | CritPt | GDPval | Omniscience Accuracy | Omniscience Non-Hallucination |
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| GPT-5.4 nano (Xhigh) | 81.7% | 28.3% | 75.9% | 76% | 76.7% | 47.2% | 42.4% | 9.3% | 22.4% | 25.7% | 25.8% |
| GPT-5.4 nano (Medium) | 76.1% | 15.9% | 64.4% | 52.6% | 67.3% | โ | 33.3% | 5.1% | โ | 21.9% | 48.9% |
| GPT-5.4 nano (Non-reasoning) | 55.8% | 4.1% | 32.7% | 34.8% | 29.7% | โ | 24.2% | 0% | โ | 14.9% | 38.5% |
Compare GPT-5.4 Nano with
Two models side by side: worked costs, every rate, and every benchmark figure both of them report.
Other Models in the GPT-5.4 Family
FAQs about GPT-5.4 Nano
How much does GPT-5.4 Nano cost per 1M tokens?
GPT-5.4 Nano costs between $0.10 and $0.20 per million input tokens, and between $0.625 and $1.25 per million output tokens. The range covers Standard, Batch and Flex pricing.
What does a typical workload cost with GPT-5.4 Nano?
1,000 requests of 2,000 input and 500 output tokens each โ 2,000,000 input and 500,000 output tokens in total โ costs $0.5125 with GPT-5.4 Nano at its lowest rates. Use the calculator on this page for your own volumes.
Where can I use GPT-5.4 Nano?
GPT-5.4 Nano is available through OpenAI, from $0.10 per million input tokens.
Is there cheaper GPT-5.4 Nano pricing than the standard rate?
Yes. Batch pricing for GPT-5.4 Nano starts at $0.10 per million input tokens against $0.20 on the standard tier, about 50% lower.
What is GPT-5.4 Nano's context window?
GPT-5.4 Nano has a context window of 400,000 tokens, and returns up to 128,000 tokens in a single response.
What input types does GPT-5.4 Nano support?
GPT-5.4 Nano accepts text, image and file input, and returns text.
What is GPT-5.4 Nano's knowledge cutoff?
GPT-5.4 Nano's training data runs to 31 August 2025. It has no built-in knowledge of events after that date.
Is GPT-5.4 Nano still available?
GPT-5.4 Nano is a legacy model and is scheduled for retirement on 1 April 2027. The replacement is GPT-6 Luna.