GPT-5.4 nano
OpenAI
- Context window
- 400K 400,000 tokens
- Max output
- 128K 128,000 tokens
- Input / Output
- text, image → text
API pricing
USD / 1M tokens
| Input | Output | Cached input |
|---|---|---|
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Timeline
- · API availability · evidence link
Input / output price · USD / 1M tokens
- · Catalogue listing · GitHub · openai/openai-node · code
Excerpt
pt-6-astra' | 'gpt-6.1-sol' | 'gpt-6.1-terra' | 'gpt-6-sol' | 'gpt-6-luna' | 'gpt-5.6-sol' | 'gpt-5.6-terra' | 'gpt-5.6-luna' | 'gpt-5.5' | 'gpt-5.5-2026-04-23' | 'gpt-5.4' | 'gpt-5.4-mini' | 'gpt-5.4-nano' | 'gpt-5.4-mini-2026-03-17' | 'gpt-5.4-nano-2026-03-17' | 'gpt-5.3-chat-latest' | 'gpt-5.2' | 'gpt-5.2-2025-12-11' | 'gpt-5.2-chat-latest' | 'gpt-5.2-pro' | 'gpt-5.2-pro-2025-12-11' | 'gpt-5.1' | 'gpt-5.1-2025-11-13' | 'gpt-5.1-codex' | 'gpt-5.1-mini' | 'gpt-5.1-chat-latest' | 'gpt-5' | 'gpt-5-mini' | 'gpt-5-nano' | 'gpt-5-2025-08-07' | 'gpt-5-mini-2025-08-07' | 'gpt-5-nano-2025-08-07' | 'gpt-5-chat-latest' | 'gpt-4.1' | 'gpt-4.1-mini' | 'gpt-4.1-nano' | 'gpt-4.1-2025-04-14' | 'gpt-4.1-mini-2025-04-14' | 'gpt-4.1-nano-2025-04-14
- · Catalogue listing · GitHub · openai/openai-agents-python · code
Excerpt
2", "gpt-5.2-2025-12-11", "gpt-5.2-codex", "gpt-5.2-pro", "gpt-5.2-pro-2025-12-11", "gpt-5.3-codex", "gpt-5.4-mini", "gpt-5.4-mini-2026-03-17", "gpt-5.4-nano", "gpt-5.4-nano-2026-03-17", ), 400_000, ), **_model_context_windows( ( "codex-mini-latest", "o1", "o1-2024-12-17", "o1-pro", "o1-pro-2025-03-19", "o3", "o3-2025-04-16", "o3-deep-research", "o3-deep-research-2025-06-26", "o3-mini", "o3-mini-2025-01-31", "o3-pro", "o3-pro-2025-06-10", "o4-mini", "o4-mini-2025-04-16", "o4-mini-deep-research", "o4-mini-deep-research-2025-06-26", ),
- · Catalogue listing · GitHub · openai/openai-python · code
Excerpt
t-6-sol", "gpt-6-luna", "gpt-5.6-sol", "gpt-5.6-terra", "gpt-5.6-luna", "gpt-5.5", "gpt-5.5-2026-04-23", "gpt-5.4", "gpt-5.4-mini", "gpt-5.4-nano", "gpt-5.4-mini-2026-03-17", "gpt-5.4-nano-2026-03-17", "gpt-5.3-chat-latest", "gpt-5.2", "gpt-5.2-2025-12-11", "gpt-5.2-chat-latest", "gpt-5.2-pro", "gpt-5.2-pro-2025-12-11", "gpt-5.1", "gpt-5.1-2025-11-13", "gpt-5.1-codex", "gpt-5.1-mini", "gpt-5.1-chat-latest", "gpt-5", "gpt-5-mini", "gpt-5-nano", "gpt-5-2025-08-07", "gpt-5-mini-2025-08-07", "gpt-5-nano-2025-08-07", "gpt-5-chat-latest",
- · Catalogue listing · GitHub · openai/openai-agents-js · code
Excerpt
-nano', 'gpt-5-pro', 'gpt-5.1', 'gpt-5.1-codex', 'gpt-5.1-codex-max', 'gpt-5.1-codex-mini', 'gpt-5.2', 'gpt-5.2-codex', 'gpt-5.2-codex-cyber', 'gpt-5.2-pro', 'gpt-5.3-codex', 'gpt-5.3-codex-spark', 'gpt-5.4-mini', 'gpt-5.4-nano', ]); const SANDBOX_CONTEXT_WINDOWS_200K = new Set([ 'codex-mini-latest', 'o1', 'o1-2024-12-17', 'o1-pro', 'o3', 'o3-2025-04-16', 'o3-mini', 'o3-pro', 'o3-deep-research', 'o4-mini', 'o4-mini-2025-04-16', 'o4-mini-deep-research', ]); const SANDBOX_CONTEXT_WINDOWS_128K = new Set([ 'gpt-4o', 'gpt-4o-2024-08-06', 'gpt-4o-mini', 'gpt-4o-mini-2024-07-18', 'gpt-5-chat-latest', 'gpt-5.1-chat-latest', 'gpt-5.2-chat-latest', 'gpt-5.3-chat-latest', ]);
Signals 1
Specifications
GPT-5.4 nano is a model from OpenAI, released on 17 Mar 2026. The context window is 400,000 tokens. The maximum output is 128,000 tokens. Pricing is $0.20 per million input tokens and $1.25 per million output tokens.
- Context window
- 400,000
- Max output
- 128,000
- Input
- text · image
- Output
- text
- Input · USD / 1M tokens
- $0.20
- Output · USD / 1M tokens
- $1.25
- Cached input · USD / 1M tokens
- $0.02
Questions
What is the context window of GPT-5.4 nano?
The context window is 400,000 tokens. The maximum output is 128,000 tokens.
How much does GPT-5.4 nano cost?
Pricing is $0.20 per million input tokens and $1.25 per million output tokens. Cached input is $0.02 per million.
When was GPT-5.4 nano released?
On 17 Mar 2026.