GPT-5.4 Pro
OpenAI
- Context window
- 1M 1,050,000 tokens
- Max output
- 128K 128,000 tokens
- Input / Output
- text, image → text
Timeline
- · API availability · evidence link · evidence link
Input / output price · USD / 1M tokens
| Model | Evidence links | Input / output price |
|---|---|---|
gpt-5.4-probatch · long context | openai API route unavailable | $30.00 (Input > 272,000 tokens) / $135.00 (Input > 272,000 tokens) |
gpt-5.4-probatch · short context | openai API route unavailable | $15.00 (Input ≤ 272,000 tokens) / $90.00 (Input ≤ 272,000 tokens) |
gpt-5.4-proflex · long context | openai API route unavailable | $30.00 (Input > 272,000 tokens) / $135.00 (Input > 272,000 tokens) |
gpt-5.4-proflex · short context | openai API route unavailable | $15.00 (Input ≤ 272,000 tokens) / $90.00 (Input ≤ 272,000 tokens) |
gpt-5.4-prostandard · long context | openai API route unavailable | $60.00 (Input > 272,000 tokens) / $270.00 (Input > 272,000 tokens) |
gpt-5.4-prostandard · short context | openai API route unavailable | $30.00 (Input ≤ 272,000 tokens) / $180.00 (Input ≤ 272,000 tokens) |
- · Catalogue listing · GitHub · openai/openai-agents-python · code
Excerpt
[str, int]: return {_model_lookup_key(model): context_window for model in models} _MODEL_CONTEXT_WINDOWS: dict[str, int] = { **_model_context_windows( ( "gpt-5.4", "gpt-5.4-2026-03-05", "gpt-5.4-pro", "gpt-5.4-pro-2026-03-05", "gpt-5.5", "gpt-5.5-2026-04-23", "gpt-5.5-pro", "gpt-5.5-pro-2026-04-23", "gpt-5.6", "gpt-5.6-sol", "gpt-5.6-terra", "gpt-5.6-luna", "gpt-4.1", "gpt-4.1-2025-04-14", "gpt-4.1-mini", "gpt-4.1-mini-2025-04-14", "gpt-4.1-nano", "gpt-4.1-nano-2025-04-14", ), 1_047_576, ), **_model_context_windows( ( "gpt-5", "gpt-5-2025-08-07", "gpt-5-codex", "gpt-5-min
- · Catalogue listing · GitHub · openai/openai-agents-js · code
Excerpt
ithoutPinnedDate])]; } const SANDBOX_CONTEXT_WINDOWS_1M = new Set([ 'gpt-6-astra', 'gpt-6-sol', 'gpt-6-luna', 'gpt-6.1-sol', 'gpt-5.6', 'gpt-5.6-sol', 'gpt-5.6-terra', 'gpt-5.6-luna', 'gpt-5.4', 'gpt-5.4-2026-03-05', 'gpt-5.4-pro', 'gpt-5.4-pro-2026-03-05', 'gpt-4.1', 'gpt-4.1-2025-04-14', 'gpt-4.1-mini', 'gpt-4.1-mini-2025-04-14', 'gpt-4.1-nano', 'gpt-4.1-nano-2025-04-14', ]); const SANDBOX_CONTEXT_WINDOWS_400K = new Set([ 'gpt-5', 'gpt-5-codex', 'gpt-5-mini', 'gpt-5-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', 'o
- · Evidence links · OpenAI · Model release notes
- · Evidence links · OpenAI · ChatGPT release notes
Signals 1
Specifications
GPT-5.4 Pro is a model from OpenAI, released on 5 Mar 2026. The context window is 1,050,000 tokens. The maximum output is 128,000 tokens.
- Context window
- 1,050,000
- Max output
- 128,000
- Input
- text · image
- Output
- text
Questions
What is the context window of GPT-5.4 Pro?
The context window is 1,050,000 tokens. The maximum output is 128,000 tokens.
When was GPT-5.4 Pro released?
On 5 Mar 2026.