Comprehensive side-by-side LLM comparison
GPT-5.1 Instant supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V3.2, released by DeepSeek on December 1, 2025, is a large language model with 685 billion total parameters featuring integrated thinking in tool-use and support for both reasoning and direct generation modes. It features a 128K token context window and introduced large-scale agent training across 1,800+ environments. DeepSeek-V3.2 targets agentic workflows, complex instruction following, and coding tasks under an open MIT license.
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.
1 month newer

GPT-5.1 Instant
OpenAI
2025-11

DeepSeek-V3.2
DeepSeek
2025-12-01
Context window and performance specifications
Available providers and their performance metrics
DeepSeek-V3.2
DeepSeek
GPT-5.1 Instant
DeepSeek-V3.2
GPT-5.1 Instant
DeepSeek-V3.2
GPT-5.1 Instant