GPT-5.4
OpenAIUpdated March 2026. GPT-5.4 by OpenAI: $2.50/M input, $15/M output tokens. 1.1M context, 128K max output. Vision & Audio. Free calculator + compare 40+ models.
Input Price
$2.50
per 1M tokens
Output Price
$15.00
per 1M tokens
Context Window
1.1M
tokens
Specifications
| Provider | OpenAI |
| Model ID | gpt-5-4 |
| Input Price | $2.5 / 1M tokens |
| Output Price | $15 / 1M tokens |
| Context Window | 1.1M tokens |
| Max Output | 128K tokens |
| Capabilities | textvisionaudiofunction_callingstructured_output |
| Release Date | 2026-03 |
| Notes | Latest flagship iteration with improved reasoning and computer use. |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split).
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $2.63 | $31.50 |
| 50K | $13.13 | $157.50 |
| 100K | $26.25 | $315.00 |
| 500K | $131.25 | $1575.00 |
| 1.0M | $262.50 | $3150.00 |
About GPT-5.4
GPT-5.4 is a large language model by OpenAI. It features a 1.1M token context window with up to 128K tokens of output per request. The model supports 5 capabilities: text, vision, audio, function_calling, structured_output.
At $2.5 per million input tokens and $15 per million output tokens, GPT-5.4 is positioned as a mid-range option in the OpenAI lineup. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.
GPT-5.4 Key Details
- Pricing: $2.5/M input tokens, $15/M output tokens
- Context window: 1.1M tokens — one of the largest available
- Max output: 128K tokens per response
- Capabilities: text, vision, audio, function_calling, structured_output
- Highlights: Latest flagship iteration with improved reasoning and computer use.
- Released: 2026-03
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FAQ
How much does GPT-5.4 cost?
GPT-5.4 costs $2.5 per million input tokens and $15 per million output tokens. For a typical workload of 100K tokens/day, expect approximately $30.00/month.
What is GPT-5.4's context window?
GPT-5.4 supports a context window of 1.1M tokens. This means your combined input prompt and output response can be up to 1.1M tokens. The maximum output per response is 128K tokens.
Is GPT-5.4 good for my use case?
GPT-5.4 supports text, vision, audio, function_calling, structured_output. As a mid-range model, it balances capability and cost for most production use cases. Use our Pricing Calculator to compare with alternatives.