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Anthropic

Frontier AI Lab
Founded Jan 2021 (5 years old)HQ: San Francisco, CAanthropic.com

Also known as: Anthropic PBC, Anthropic AI

ModelReleasedSafety$/MTok (in/out)ContextBenchmarks
Claude Sonnet 4.6Feb 2026ASL-3$3 / $15200K tokens
GPQA Diamond74.1%SWE-bench Verified79.6%
Needs attention
Claude Opus 4.6Feb 2026ASL-3$5 / $251M tokens
GPQA Diamond91.3%SWE-bench Verified80.8%+3
Needs attention
Claude Opus 4.5Nov 2025ASL-3$5 / $25200K tokens
GPQA Diamond87%SWE-bench Verified80.9%+2
Needs attention
Claude Haiku 4.5Oct 2025ASL-2$1 / $5200K tokens
SWE-bench Verified73.3%
Verified
Claude Sonnet 4.5Sep 2025ASL-3$3 / $15200K tokens
GPQA Diamond83.4%AIME 202587%+3
Verified
Claude Opus 4.1Aug 2025ASL-3$15 / $75200K tokens
GPQA Diamond81%SWE-bench Verified74.5%
Needs attention
Claude Sonnet 4May 2025ASL-2$3 / $15200K tokens
MMLU88.9%GPQA Diamond70.3%+3
Needs attention
Claude Opus 4May 2025ASL-3$15 / $75200K tokens
MMLU89%GPQA Diamond74.1%+3
Verified
Claude 3.7 SonnetFeb 2025ASL-2$3 / $15200K tokens
MMLU88.4%GPQA Diamond68%+5
Needs attention
Claude 3.5 HaikuNov 2024ASL-2$0.8 / $4200K tokens
MMLU80.9%HumanEval88.1%+4
Needs attention
Claude 3.5 SonnetJun 2024ASL-2$3 / $15200K tokens
MMLU88.7%HumanEval92%+14
Failed source check
Claude 3 OpusMar 2024ASL-2$15 / $75200K tokens
MMLU86.8%HumanEval84.9%+4
Verified
Claude 3 SonnetMar 2024ASL-2$3 / $15200K tokens
MMLU79%HumanEval73%+2
Verified
Claude 3 HaikuMar 2024ASL-2$0.25 / $1.25200K tokens
MMLU75.2%HumanEval75.9%+2
Needs attention
Claude 2Jul 2023ASL-2$8 / $24100K tokens
MMLU78.5%HumanEval71.2%
Needs attention