Context Window
400,000
Input tokens
Full-context input ≈ $0.30
Model Cost Profile
Developer: openai· Tokenizer: GPT · Quantization: unknown
Canonical ID: openai/gpt-5.4-mini-20260317
Pricing updated May 1, 2026
Live Pricing
Input: $0.7500
Output: $4.50
Last synced May 1, 2026 · MMLU score via public benchmark data
OpenAI's GPT-5.4 Mini features an extensive context window of 400,000 tokens, making it suitable for applications requiring deep contextual understanding, such as long-form content generation and complex data analysis. With an input price of $0.75 per million tokens and an output price of $4.50 per million tokens, teams can effectively budget for high-volume projects while optimizing their operational costs. This model is ideal for businesses looking to enhance customer interactions through chatbots or automate content creation at scale.
Provider Compliance
Context Window
400,000
Input tokens
Full-context input ≈ $0.30
Max Output
128,000
Completion tokens
Input Price / 1M
$0.7500
Prompt tokens
Output Price / 1M
$4.50
Completion tokens
Top Benchmark
82.8
MMLU score — highest of MMLU, GPQA, MATH, HumanEval
Evaluation scores for OpenAI: GPT-5.4 Mini. The “Top Benchmark” shown above is the highest score across MMLU, GPQA, MATH & HumanEval.
Price History
Current Input / 1M
$0.7500
Current Output / 1M
$4.50
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
100.0%
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $0.7500 |
| Output (Completion) | $4.50 |
| Cache Read | $0.0750 |
| Web Search | $10,000.00 |
Estimate monthly spend for OpenAI: GPT-5.4 Mini based on your workload.
Estimated Monthly Cost
$73
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.