AI Models with Extended Thinking Support
This page lists Large Language Models that offer Extended Thinking. Compare models, see how they implement this feature, and find the best option for projects requiring robust Extended Thinking.
Providers
Models with this Capability
Claude Sonnet 3.7
Anthropic · Claude 3
ID: claude-3-7-sonnet-20250219
Input
200K tokens
Output
64K tokens
Input Cost
$3.00/1M
Output Cost
$15.00/1M
Exceptional at:
Claude 3.5 Sonnet
Anthropic · Claude
ID: anthropic-claude-3-5-sonnet
Input
200K tokens
Output
4.1K tokens
Input Cost
$3.00/1M
Output Cost
$15.00/1M
Exceptional at:
Claude Sonnet 3.7
Anthropic · Claude
ID: claude-3-7-sonnet-latest
Input
200K tokens
Output
64K tokens
Input Cost
$3.00/1M
Output Cost
$15.00/1M
Exceptional at:
Claude Opus 4
Anthropic · Claude
ID: claude-opus-4-20250514
Input
200K tokens
Output
32K tokens
Input Cost
$15.00/1M
Output Cost
$75.00/1M
Exceptional at:
Claude Sonnet 4
Anthropic · Claude 4
ID: claude-sonnet-4-20250514
Input
200K tokens
Output
64K tokens
Input Cost
$3.00/1M
Output Cost
$15.00/1M
Exceptional at:
Claude Sonnet 4
Anthropic · Claude
ID: claude-sonnet-4-0
Input
200K tokens
Output
64K tokens
Input Cost
$3.00/1M
Output Cost
$15.00/1M
Exceptional at:
Claude Opus 4
Anthropic · Claude 4
ID: claude-opus-4-0
Input
200K tokens
Output
32K tokens
Input Cost
$15.00/1M
Output Cost
$75.00/1M
Exceptional at: