This model was retired on 2027-09-21. The pricing below is the last-known rate, kept for migration reference.

GPT-5.4 NanoDeprecated

OpenAIReleasedAug 7, 2025KnowledgeAug 2025
VisionTool useReasoningPrompt cachingStructured outputWeb search
Context
272K
Max output
128K
Serving providers
4
Cheapest input
$0.20 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: ARC Prize and Artificial Analysis
Speed & latency
Output speed
168 t/s
tokens / second
Time to first token
6.21s
latency
Headline indices
Intelligence Index
39.7
of 100
Coding Index
56.1
of 100
Agentic Index
29.7
of 100
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
APEX Agents25%default
ARC-AGI-26%xhigh$0.160
CritPt9%default
GDPval1104.8default
GPQA Diamond82%default
Harvey Lab0.5default
Humanity's Last Exam28%default
IFBench76%default
IT-Bench SRE24%default
Long-Context Reasoning72%default
Mlcr Overall0.1default
MMMU-Pro65%default
Omniscience-18.0medium
Omniscience Accuracy0.3default
Omniscience Non Hallucination0.5medium
SciCode47%default
TerminalBench Hard42%default
TerminalBench v2.161%default
τ-bench Banking27%default
τ²-bench76%default

Pricing by serving provider

last-known · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Databricks$0.20$1.251
Azure$0.20$1.251
OpenAI$0.20$1.251
OpenRouter$0.20$1.251

Price history

input + output $/1M since we started tracking
Input Output
$0.000$0.500$1.00$1.50Mar 17Jun 22Jul 19Aug 26$1.25$0.200

Cost calculator

estimate your monthly spend on this model
$140
estimated / month

Model IDs

copy the exact identifier for your platform
databricks/databricks-gpt-5-4-nanoazure/gpt-5.4-nanogpt-5.4-nanoopenai/gpt-5.4-nano

Frequently asked questions

GPT-5.4 Nano pricing, context and availability

Is GPT-5.4 Nano still available?

GPT-5.4 Nano was retired on 2027-09-21. The pricing on this page is the last-known rate, kept for migration reference.

How much did GPT-5.4 Nano cost?

GPT-5.4 Nano's last-known pricing, before it was retired on 2027-09-21, was $0.20 per 1M input tokens and $1.25 per 1M output tokens.

What was the context window of GPT-5.4 Nano?

GPT-5.4 Nano had a 272K token context window and could return up to 128K output tokens.

What could GPT-5.4 Nano do?

GPT-5.4 Nano supported image input (vision), tool use, reasoning, prompt caching, structured output and web search.

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