Context Window
400,000
Tokens
Model Cost Profile
OpenAI: GPT-5
Developer: openai
Pricing updated Mar 11, 2026
Input rank: #258Output rank: #289
Live Pricing
Input: $1.25
Output: $10.00
Pricing via OpenRouter API · Last synced Mar 11, 2026 · MMLU score via public benchmark data
OpenAI's GPT-5 offers a substantial context window of 400,000 tokens, making it ideal for applications requiring extensive text analysis, such as legal document review and long-form content generation. Teams utilizing the API can expect input costs of $1.25 per million tokens and output costs of $10.00 per million tokens, which can influence budget planning based on usage patterns. This model is particularly beneficial for enterprises needing to process large datasets or generate detailed reports, providing flexibility in handling complex queries and extensive information.
👁 Vision🔧 Tool Calling📋 Structured Output🧠 Reasoning
Input Price / 1M
$1.25
Prompt tokens
Output Price / 1M
$10.00
Completion tokens
Intelligence (MMLU)
87.1
Massive Multitask Language Understanding
Benchmark Scores
Standardized evaluation scores for OpenAI: GPT-5.
Side-by-Side Pricing Table
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $1.25 |
| Output (Completion) | $10.00 |
Price History
OpenAI: GPT-5 Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Cost Calculator
Estimate monthly spend for OpenAI: GPT-5 based on your workload.
01.0B
0500M
Estimated Monthly Cost
$151
25M input + 12M output tokens
Cheaper Alternatives to Compare
Quick links for cost-down decisions before production rollout.
FAQ
Common pricing and benchmark questions for OpenAI: GPT-5.
How much does OpenAI: GPT-5 cost per 1M input tokens?
OpenAI: GPT-5 input pricing is $1.25 per 1M tokens based on the latest synced provider data.
How much does OpenAI: GPT-5 cost per 1M output tokens?
OpenAI: GPT-5 output pricing is $10.00 per 1M tokens based on the latest synced provider data.
What context window does OpenAI: GPT-5 support?
OpenAI: GPT-5 supports a context window of 400,000 tokens.
How can I compare OpenAI: GPT-5 with cheaper alternatives?
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.