Comprehensive side-by-side LLM comparison
Claude Opus 4.1 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
Microsoft
Phi-3.5 Vision was developed as a multimodal variant of Phi-3.5, designed to understand and reason about both images and text. Built to extend the Phi family's efficiency into vision-language tasks, it enables compact multimodal AI for practical applications.
11 months newer

Phi-3.5-vision-instruct
Microsoft
2024-08-23

Claude Opus 4.1
Anthropic
2025-08-05
Context window and performance specifications
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

Phi-3.5-vision-instruct

Claude Opus 4.1

Phi-3.5-vision-instruct

Phi-3.5-vision-instruct