Anthropic launches the Claude 3 family (Opus, Sonnet, Haiku)
Confirmed
Importance: major (4 of 5)The takeaway
Claude 3 Opus, Sonnet and Haiku introduced vision and a 200K context window; Anthropic reported that Opus outperformed GPT-4 on most common benchmarks, making it the first model widely seen as matching or beating GPT-4.
Status
- Claim
Confirmed
- Our reporting
- High confidence
- Importance
- Major (4 of 5)
- Last verified
- 29 September 2026
Your AI and this story
- GPT-6 AstraIn its training data
- Claude Opus 5.5In its training data
- Gemini 4 HydrogenIn its training data
- Grok 4.7In its training data
It happened before the cutoffs of all four assistants, so it can be in their training data.
Key facts
- Released 4 March 2024 (Haiku followed on 13 March)
- Three tiers: Opus (most capable), Sonnet, Haiku (fastest)
- 200K-token context window; image input
- Opus priced at $15 / $75 per million input/output tokens
What happened
Anthropic released a three-tier family across capability and cost, available in claude.ai and via API, Amazon Bedrock and Google Cloud Vertex AI.
Why it matters
Ended GPT-4’s year-long uncontested lead and established the Opus/Sonnet/Haiku naming used thereafter.
Sources
2 sources from 2 sites. Numbers match the chips in the text.
2 sources: 2 primary
Primary
- Introducing the next generation of Claude (Anthropic)anthropic.com, official
- Claude 3 Model Card (PDF)www-cdn.anthropic.com, docs
Changes
- Filed