Claude Opus 4.8
LatestAnthropic
•
Proprietary# 2
Released
May 28, 2026
# 3
Context Length
1M
Benchmarks
# 4
Code RankedAGI
86.8%
# 3
SWEBench Pro
69.2%
# 3
Terminal Bench 2.1
74.6%
# 5
Agentic RankedAGI
87.3%
# 2
OSWorld Verified
83.4%
# 5
Reason RankedAGI
83.9%
# 4
HLE
49.8%
# 5
HLE w/ Tools
57.9%
# 55
Math RankedAGI
70.4%
# 4
RAGI RankedAGI
74.5%
# 2
GDPval AA
1890
# 11
Finance Agent
53.9%
# 3
Cursor Bench 3.1
63.8%
Pricing
# 41
Input Cost /M
$5
# 46
Output Cost /M
$25