ModelCap
Current AI model comparison
Exact identities · public evidence
Anthropic
Claude Sonnet 5.5
Position
#18
Index
80.0
Measured
5 public benchmark observations across 5 boards
Comparison side 1
OpenAI
GPT-6.1 Terra
Position
#29
Index
75.4
Measured
1 reported rows against measured corpus ladders (21%); publisher-corpus-prior over 210 held-out anchors (14%); opens above measured predecessor openai/gpt-5.6-terra on same-family ordering evidence (53%); 1 specialist-board observation at 2.5% support (12%); shrunk 3.5 toward the measured corpus
Comparison side 2
Output / 1M
$10.00
vs $5.00
Context
1M
vs 1M
Weights
No linked weights
vs No linked weights