GPT-5.1
ActiveSpeech generation model for controllable voice, narration, and audio delivery
View current API pricing for this model
Input, output, and cached rates with source and verification time, plus same-workload cost examples.
Input / 1M tokens
$1.25
Output / 1M tokens
$10.00
Record updated 2026-10-11
Modality:Image Generation
Context:400,000 tokens
Release:Nov 14, 2025
Pricing
Platform
Scope
Input
Output
Details
Azure
Standard
$1.25
$10.00
400k context · 128k max output
Latest changes
No recent changes.
Benchmarks
No benchmark data available.
⚡GPT-5.1 Comparisons & Scenario Guides
Popular Price & Spec Comparisons
Related Scenario Rankings
❓GPT-5.1 Frequently Asked Questions
How much does GPT-5.1 cost per 1M tokens?▼
GPT-5.1 is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens, with cached input at $0.13/1M on azure. Check provider terms before deployment.
What is the context window for GPT-5.1?▼
GPT-5.1 supports up to 400,000 tokens context with a max completion limit of 128,000 tokens.
What are cost-saving alternatives to GPT-5.1?▼
ModelPriceLab automatically calculates cheaper alternatives in the same model class, showing monthly spend differences and migration guides.
AI Cost Optimization
Does this change your best option?
Check your models and usage for free. See the relevant official changes, estimated cost, and a practical next step.