For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.
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Models
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Model capable of realtime text and audio inputs and outputs
Performance
Speed
Input
Output
Reasoning tokens
Pricing
Text tokens
Input / 1M tokens
$4.00
Cached input / 1M tokens
$0.40
Output / 1M tokens
$16.00
Cache writes / 1M tokens
-
View all token prices
Context
Window
32,000
Max Output Tokens
4,096
Knowledge Cutoff
Oct 01, 2023
Endpoints
v1/chat/completions
v1/responses
v1/realtime
v1/batch
Supported Features
Streaming
Function calling
Structured outputs
Image input
Rate Limits
TPM
Free
-
Build
200,000
Launch
4,000,000
Grow
15,000,000
Our most capable model for the most demanding work.
Reasoning
Speed
Input
Output
Reasoning tokens
Pricing
Text tokens
Input / 1M tokens
$10.00
Cached input / 1M tokens
$1.00
Output / 1M tokens
$50.00
Cache writes / 1M tokens
$12.50
Context
Window
1,050,000
Max Output Tokens
128,000
Knowledge Cutoff
Apr 30, 2026
Endpoints
v1/chat/completions
v1/responses
v1/realtime
v1/batch
Supported Features
Streaming
Function calling
Structured outputs
Image input
Rate Limits
TPM
Free
-
Build
1,000,000
Launch
4,000,000
Grow
40,000,000