Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro supports multimodal inputs. Gemini 2.5 Pro is available on 2 providers. Both models have their strengths depending on your specific coding needs.
Google DeepMind
Gemini 2.5 Pro, released by Google in May 2025, is a large language model from the Gemini 2.5 family designed for complex reasoning, coding, and long-context analysis tasks. It features a 1M token context window, native support for text, image, video, and audio input, and integrated thinking capabilities for multi-step problem solving. Gemini 2.5 Pro targets advanced coding workflows, scientific reasoning, and applications requiring deep understanding across large, mixed-modality contexts.
OpenAI
GPT-5.1 Codex Max, released by OpenAI in November 2025, is an enhanced coding variant from the GPT-5.1 Codex line, designed for more complex software engineering tasks requiring additional reasoning depth. It targets large-scale code generation, automated refactoring, and sophisticated agentic development workflows.
5 months newer

Gemini 2.5 Pro
Google DeepMind
2025-05-20

GPT-5.1 Codex Max
OpenAI
2025-11
Context window and performance specifications
Available providers and their performance metrics
Gemini 2.5 Pro
Google Cloud Vertex AI
GPT-5.1 Codex Max
Gemini 2.5 Pro
GPT-5.1 Codex Max
Gemini 2.5 Pro
GPT-5.1 Codex Max