Comprehensive side-by-side LLM comparison
Gemini 3 Flash offers 868.9K more tokens in context window than Grok 2. Gemini 3 Flash is $11.50 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
Google DeepMind
Gemini 3 Flash, released by Google in December 2025, is a large language model from the Gemini 3 family that delivers reasoning and coding performance with efficiency optimized for high-volume workloads. It features a 1M token context window, 64K maximum output tokens, and native support for text, image, audio, video, and PDF input. Gemini 3 Flash targets cost-sensitive agentic workflows, document processing, and production APIs requiring fast, capable multimodal responses.
xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
1 year newer

Grok 2
xAI
2024-08-14

Gemini 3 Flash
Google DeepMind
2025-12-17
Cost per million tokens (USD)
Gemini 3 Flash
Grok 2
Context window and performance specifications
Available providers and their performance metrics
Gemini 3 Flash
Google Cloud Vertex AI
Grok 2
Gemini 3 Flash
Grok 2
Gemini 3 Flash
Grok 2
xAI