AI Models
Notable AI models with structured profiles: developer, family, release date, capabilities, context window, sources.
Claude Sonnet 4.5
Anthropic's coding- and agent-focused flagship in the Claude 4 family.
Sep 29, 2025200K ctxClosedGPT-5
OpenAI's next-generation flagship model succeeding GPT-4o.
Aug 7, 2025400K ctxClosedGrok 4
xAI's Grok 4 reasoning flagship.
Jul 9, 2025256K ctxClosedLlama 4
Meta's Llama 4 MoE family with very long context and multimodal input.
Apr 5, 202510M ctxOpenGemini 2.5 Pro
Reasoning-focused member of the Gemini 2.5 family.
Mar 25, 20251M ctxClosedDeepSeek R1
Open-weight reasoning model that popularized reinforcement-learned chain-of-thought at scale.
Jan 20, 2025128K ctxOpenDeepSeek V3
671B MoE open-weight base model.
Dec 26, 2024128K ctxOpenClaude 3.5 Sonnet
Mid-tier 3.5 model that outperformed Claude 3 Opus on many tasks.
Jun 20, 2024200K ctxClosedGPT-4o
Omni-model unifying text, vision and audio in a single network with realtime capabilities.
May 13, 2024128K ctxClosedLlama 3
8B and 70B open-weight release, later extended to Llama 3.1 and 3.2 with vision.
Apr 18, 20248.2K ctxOpenClaude 3 Opus
Top-tier model in the Claude 3 lineup with strong reasoning.
Mar 4, 2024200K ctxClosedGemini 1.5 Pro
Introduced the 1M–2M token context window on a mixture-of-experts architecture.
Feb 15, 20242M ctxClosedMixtral 8x7B
Sparse mixture-of-experts open-weight model from Mistral.
Dec 11, 202332K ctxOpenGemini 1.0
First Gemini generation with Ultra, Pro and Nano sizes.
Dec 6, 202332K ctxClosedGrok-1
First Grok model from xAI, later open-sourced.
Nov 4, 20238.2K ctxOpenMistral 7B
Compact 7B open-weight model that punched above its parameter count.
Sep 27, 20238.2K ctxOpenLlama 2
First widely-licensed open-weight Llama release.
Jul 18, 20234.1K ctxOpenClaude 2
100K-token context refresh of the Claude line.
Jul 11, 2023100K ctxClosedGPT-4
Multimodal successor to GPT-3.5 with substantial gains on reasoning benchmarks.
Mar 14, 20238.2K ctxClosedClaude 1
First public Claude model from Anthropic.
Mar 14, 20239K ctxClosedGPT-3.5
Instruction-tuned refresh of GPT-3 that powered the original ChatGPT launch.
Nov 30, 20224.1K ctxClosedGPT-3
175B parameter model that established the modern LLM API paradigm.
Jun 11, 20202.0K ctxClosedGPT-2
Second-generation GPT model, initially released with a staged rollout over safety concerns.
Feb 14, 20191.0K ctxOpen