Context Window
400,000
Input tokens
Full-context input ≈ $0.50
Model Cost Profile
Developer: openai· Tokenizer: GPT · Quantization: unknown
Canonical ID: openai/gpt-5-2025-08-07
Pricing updated Apr 25, 2026
Live Pricing
Input: $1.25
Output: $10.00
Last synced Apr 25, 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.
Provider Compliance
Context Window
400,000
Input tokens
Full-context input ≈ $0.50
Max Output
128,000
Completion tokens
Input Price / 1M
$1.25
Prompt tokens
Output Price / 1M
$10.00
Completion tokens
Top Benchmark
87.1
MMLU score — highest of MMLU, GPQA, MATH, HumanEval
Evaluation scores for OpenAI: GPT-5. The “Top Benchmark” shown above is the highest score across MMLU, GPQA, MATH & HumanEval.
Price History
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
100.0%
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $1.25 |
| Output (Completion) | $10.00 |
| Cache Read | $0.1250 |
Estimate monthly spend for OpenAI: GPT-5 based on your workload.
Estimated Monthly Cost
$151
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.