START WITH THE QUESTION
A clearer picture of AI.
Understand what changed, how it was measured and what it meant.
Understand the progress.
All guidesSIDE BY SIDE
Compare the releases
See what changed, with the versions and sources explained.
Explore THROUGH THE YEARSFollow each company
Selected release histories from OpenAI, Anthropic and Google.
Explore THE MEASUREMENTSMake sense of the scores
What each test measures and what a score cannot tell you.
ExploreSource reviewed model stories
10 historical snapshotsOpenAI
GPT-2
A glimpse of fluent text generation
Explore OpenAIGPT-3
One model, many language tasks
Explore OpenAIChatGPT (GPT-3.5)
Conversational AI reaches a wider audience
Explore OpenAIGPT-4
A step forward in reasoning and images
Explore GoogleGemini 1.5 Pro
Much longer inputs become possible
Explore OpenAIGPT-4o
Text, vision and audio come together
Explore AnthropicClaude 3.5 Sonnet
A stronger everyday coding assistant
Explore DeepSeekDeepSeek R1
Reasoning with downloadable weights
Explore AnthropicClaude 3.7 Sonnet
Reasoning and coding in one model
Explore GoogleGemini 2.5 Pro
Reasoning across long and visual inputs
Explore