claude-sonnet-4-6 vs gpt-5.5

Highlight best
Anthropic
claude-sonnet-4-6
gpt-5.5
Overview
Author
Anthropic
OpenAI
Context
1M
1.1M
Input
Output
Released
Feb 17, 2026
Apr 24, 2026
Pricing
Input
$0.26
$1.00
Output
$1.27
$6.00
Performance
Latency
-
-
Throughput
-
-
Features
Max output
64K
128K
Reasoning
Tools
Vision
Cache
Quantization
unknown
unknown
Activity
Weekly Tokens
-
-