language
Claude Sonnet 4.5
Anthropic's coding- and agent-focused flagship in the Claude 4 family.
Sep 29, 2025200K ctxGPT-5
OpenAI's next-generation flagship model succeeding GPT-4o.
Aug 7, 2025400K ctxGrok 4
xAI's Grok 4 reasoning flagship.
Jul 9, 2025256K ctxLlama 4
Meta's Llama 4 MoE family with very long context and multimodal input.
Apr 5, 202510M ctxDeepSeek V3
671B MoE open-weight base model.
Dec 26, 2024128K ctxClaude 3.5 Sonnet
Mid-tier 3.5 model that outperformed Claude 3 Opus on many tasks.
Jun 20, 2024200K ctxLlama 3
8B and 70B open-weight release, later extended to Llama 3.1 and 3.2 with vision.
Apr 18, 20248.2K ctxClaude 3 Opus
Top-tier model in the Claude 3 lineup with strong reasoning.
Mar 4, 2024200K ctxMixtral 8x7B
Sparse mixture-of-experts open-weight model from Mistral.
Dec 11, 202332K ctxGrok-1
First Grok model from xAI, later open-sourced.
Nov 4, 20238.2K ctxMistral 7B
Compact 7B open-weight model that punched above its parameter count.
Sep 27, 20238.2K ctxLlama 2
First widely-licensed open-weight Llama release.
Jul 18, 20234.1K ctxClaude 2
100K-token context refresh of the Claude line.
Jul 11, 2023100K ctxClaude 1
First public Claude model from Anthropic.
Mar 14, 20239K ctxGPT-4
Multimodal successor to GPT-3.5 with substantial gains on reasoning benchmarks.
Mar 14, 20238.2K ctxGPT-3.5
Instruction-tuned refresh of GPT-3 that powered the original ChatGPT launch.
Nov 30, 20224.1K ctxGPT-3
175B parameter model that established the modern LLM API paradigm.
Jun 11, 20202.0K ctxGPT-2
Second-generation GPT model, initially released with a staged rollout over safety concerns.
Feb 14, 20191.0K ctx