Context Window
128,000
Tokens
Model Cost Profile
Developer: openai
Pricing updated Mar 11, 2026
OpenAI's GPT-5 Chat model offers a substantial context window of 128,000 tokens, making it suitable for complex conversational applications, extensive document analysis, and multi-turn dialogue systems. With an input cost of $1.25 per million tokens and an output cost of $10.00 per million tokens, teams can strategically manage their budget while leveraging the model for tasks such as customer support automation and content generation. This pricing structure allows organizations to scale their usage based on specific project requirements, ensuring cost-effective deployment for various AI-driven solutions.
Context Window
128,000
Tokens
Input Price / 1M
$1.25
Prompt tokens
Output Price / 1M
$10.00
Completion tokens
Intelligence (MMLU)
Benchmark Pending
Massive Multitask Language Understanding
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $1.25 |
| Output (Completion) | $10.00 |
Price History
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Estimate monthly spend for OpenAI: GPT-5 Chat based on your workload.
Estimated Monthly Cost
$151
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.
Common pricing and benchmark questions for OpenAI: GPT-5 Chat.
OpenAI: GPT-5 Chat input pricing is $1.25 per 1M tokens based on the latest synced provider data.
OpenAI: GPT-5 Chat output pricing is $10.00 per 1M tokens based on the latest synced provider data.
OpenAI: GPT-5 Chat supports a context window of 128,000 tokens.
Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.