AI Timeline

OpenAI raises $40B at $300B+ valuation, largest ever

Google I/O 2025: Gemini 2.5 Pro, Project Astra announced

o3 and o4-mini released, advanced reasoning models

GPT-4.5 released, largest pre-training run

Grok 3 released, trained on 200K GPUs

Anthropic raises $2B from Google, valuation $18.4B

Gemini 2.0 Flash released, fastest multimodal model

Claude 3.5 Sonnet v2 + computer use capability

o1 reasoning model released, PhD-level reasoning

xAI raises $6B, Grok 1.5 released

Claude 3.5 Sonnet, beats GPT-4o on most benchmarks

Apple Intelligence announced, on-device AI with Claude

GPT-4o: Omni model with real-time voice and vision

Llama 3 released, 8B and 70B parameter models

Claude 3 family: Haiku, Sonnet, Opus released

Gemini 1.5 Pro: 1M context window announced

Mixtral 8x7B released, MoE architecture open sourced

Gemini 1.0 released, Ultra, Pro, Nano tiers

DevDay: GPT-4 Turbo, GPTs, Assistants API announced

Sam Altman fired and rehired within 5 days, board crisis

GPT-4V: Vision capabilities added to GPT-4

Amazon invests $4B in Anthropic, strategic partnership

xAI founded by Elon Musk with team of AI researchers

Llama 2 open sourced, commercial use allowed

Google I/O: PaLM 2, Bard upgrades, AI everywhere

LLaMA open-sourced, open source AI revolution begins

GPT-4 launched, multimodal reasoning model

Claude 1 released, Constitutional AI in production

Microsoft integrates GPT-4 into Bing, invests $10B in OpenAI

Anthropic raises $704M Series B

ChatGPT launched, fastest product to 100M users ever

Stable Diffusion open sourced, image AI democratized

PaLM 540B, Pathways Language Model released

Anthropic founded by Dario Amodei and ex-OpenAI team

Google Brain and DeepMind merge discussions begin

DALL-E 1 released, text-to-image AI goes mainstream

GPT-3 released, 175B parameter model shocks the world