GPT-5.1
Default
Recommended
Enhanced version of GPT-5 with improved reasoning and performance.
OpenAI • text • vision • function-calling • json-mode • reasoning
Provider ID
gpt-5.1GPT-5.1 is an enhanced version of GPT-5 with improved reasoning capabilities, better performance, and expanded context understanding.
Quick Summary
Best For:
Complex agentic tasks requiring configurable reasoning effort
Pricing:
$1.50/1M input tokens, $12.00/1M output tokens
Context Window:
200,000 tokens (Large - suitable for extensive codebases)
Key Differentiator:
Advanced reasoning capabilities
Reasoning
higher
Speed
medium
Price
$1.50 - $12
Input • Output
Input
Text, Image
Specifications
Context Window
200,000 tokens
Max Output Tokens
200,000 tokens
Knowledge Cutoff
Dec 15, 2024
Reasoning Tokens
Supported
Streaming
Yes
JSON Mode
Yes
Vision
Yes
Tier
Affordable
Capabilities
text
vision
function-calling
json-mode
reasoning