Comprehensive side-by-side LLM comparison
GPT-4.1 mini offers 24.6K more tokens in context window than Gemini 3 Flash. Gemini 3 Flash is $1.50 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.
OpenAI
GPT-4.1 mini, released by OpenAI in April 2025, is a smaller variant from the GPT-4.1 family designed for efficient, cost-effective deployments requiring long-context understanding. It features a 1M token context window and native image understanding, with maintained coding and instruction-following capabilities relative to its size. GPT-4.1 mini targets applications needing a balance between response speed, cost, and capability, such as production APIs with high request volumes.
8 months newer

GPT-4.1 mini
OpenAI
2025-04-14

Gemini 3 Flash
Google DeepMind
2025-12-17
Cost per million tokens (USD)
Gemini 3 Flash
GPT-4.1 mini
Context window and performance specifications
Available providers and their performance metrics
Gemini 3 Flash
Google Cloud Vertex AI
GPT-4.1 mini
Gemini 3 Flash
GPT-4.1 mini
Gemini 3 Flash
GPT-4.1 mini
OpenAI