Comprehensive side-by-side LLM comparison
Claude Opus 4.1 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Opus 4.1, released by Anthropic in August 2025, is a large language model from the Claude 4 family optimized for demanding reasoning, multi-step coding, and extended analysis tasks. It features a 200K token context window, 32K maximum output tokens, native image understanding, and extended thinking capabilities. Opus 4.1 targets complex problem-solving, multi-turn reasoning workflows, and applications requiring deep analysis with integrated tool use.
Shanghai AI Lab
InternS1, released by Shanghai AI Laboratory at WAIC 2025 on July 26, 2025, is a multimodal scientific reasoning large language model designed for advanced problem-solving across mathematics, physics, chemistry, and related domains. It supports text, image, and potentially other scientific data formats as input, and demonstrated strong performance on competition-level scientific benchmarks. InternS1 targets open-source scientific research, STEM education, and applications requiring deep domain reasoning across natural science disciplines.
10 days newer
InternS1
Shanghai AI Lab
2025-07-26

Claude Opus 4.1
Anthropic
2025-08-05
Context window and performance specifications
Average performance across 1 common benchmarks
Claude Opus 4.1
InternS1
Claude Opus 4.1
2025-01
Available providers and their performance metrics
Claude Opus 4.1
Anthropic
AWS Bedrock
Google Cloud Vertex AI
InternS1
Claude Opus 4.1
InternS1
Claude Opus 4.1
InternS1