Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 1.7% higher average benchmark score. Gemini 3 Pro is available on 2 providers. Both models have their strengths depending on your specific coding needs.
Google DeepMind
Gemini 3 Pro, released by Google in November 2025, is a large language model from the Gemini 3 family designed for complex reasoning, broad world knowledge, and multi-step problem solving. It features a 1M token context window, 64K maximum output tokens, and native multimodal input including text, images, audio, and video. Gemini 3 Pro targets research-grade reasoning, advanced data analysis, and applications requiring comprehensive understanding across diverse input formats.
OpenAI
GPT-5.1 Instant, released by OpenAI in November 2025, is a low-latency variant from the GPT-5.1 family optimized for fast response times and high-throughput workloads. It targets real-time applications, conversational assistants, and production APIs where response speed is a primary requirement alongside GPT-5.1-generation reasoning quality.
17 days newer

GPT-5.1 Instant
OpenAI
2025-11

Gemini 3 Pro
Google DeepMind
2025-11-18
Context window and performance specifications
Average performance across 1 common benchmarks
Gemini 3 Pro
GPT-5.1 Instant
Performance comparison across key benchmark categories
Gemini 3 Pro
GPT-5.1 Instant
Available providers and their performance metrics
Gemini 3 Pro
Google Cloud Vertex AI
GPT-5.1 Instant
Gemini 3 Pro
GPT-5.1 Instant
Gemini 3 Pro
GPT-5.1 Instant