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Pyyan / Compare / PhariaAI vs Claude Opus 5.5

PhariaAI vs Claude Opus 5.5

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Language Models · verified 24 Sept 2026

APhariaAIAleph Alphacurrent
Claude Opus 5.5Anthropiccurrent
3 slots left
SpecificationPhariaAIClaude Opus 5.5
SummaryStrongest institutional sovereignty posture in Europe.Fable 5.1's level of work on most tasks, at 40% less to run than Opus 5.
Context—1M
Input ($/Mtok)—$4
Output ($/Mtok)—$20
LicenceProprietaryProprietary
Max output—128K
Parameters—Not published
Released—22 Sep 2026
Model ID—claude-opus-5-5
CategoryLanguage ModelsLanguage Models
OfficialAleph Alpha ↗Anthropic ↗

Highlighted rows are where these differ.

PhariaAI

  • Runs on STACKIT — no US hyperscaler at any layer
  • GDPR-native, T-Free multilingual architecture

Best for EU sovereignty.

Full spec sheet →

Claude Opus 5.5

  • 66.4% on Terminal-Bench 4.0 against 52.3% for Opus 5, on Anthropic's own harness
  • Cache reads cut 60% to $0.20, and output more than 30% faster than Opus 5
  • Attempts to work around its boundaries 85% less often than Opus 5, Anthropic reports

Best for agentic coding at flagship quality.

Full spec sheet →