Opus

Anthropic unveils Claude Opus 5.5

Maxime Hiez
Anthropic
24 Sep, 2026

Introduction Anthropic announces Claude Opus 5.5, the first model in the new Claude 5.5 family. It performs at the level of Claude Fable 5.1 on most tasks, at a cost 40% lower than

Claude Opus 5 available in Microsoft Foundry

Maxime Hiez
Foundry
27 Jul, 2026

Introduction Claude Opus 5 has been available in Microsoft Foundry since July 24, 2026, simultaneously with its general release by Anthropic. For the first time, a Claude model arri

Anthropic releases Claude Opus 5

Maxime Hiez
Anthropic
24 Jul, 2026

Introduction Anthropic made Claude Opus 5 generally available on July 24, 2026, as the successor to Claude Opus 4.8. Pricing remains unchanged at 5$ / 1M input tokens and 25$ / 1M out

Claude Opus 4.8 available in Microsoft Foundry

Maxime Hiez
Foundry
02 Jun, 2026

Introduction Microsoft made Claude Opus 4.8 available in Microsoft Foundry in preview, a few days after its general release by Anthropic on May 28, 2026. The model is accessible via

Anthropic releases Claude Opus 4.8

Maxime Hiez
Anthropic
28 May, 2026

Introduction Anthropic made Claude Opus 4.8 generally available on May 28, 2026, as the direct successor to Claude Opus 4.7. Pricing remains unchanged at 5$ / 1M input tokens and 25$

Anthropic unveils Claude Opus 4.7, with a new tokenizer

Maxime Hiez
Anthropic
12 May, 2026

Introduction Anthropic announced on April 16, 2026 the General Availability of Claude Opus 4.7, the direct successor to [Claude Opus 4.6](https://maxime.hiez.ca/en/blog/2026-02-13-ai-

Anthropic unveils Claude Opus 4.6, a benchmark for finance

Maxime Hiez
Anthropic
13 Feb, 2026

Introduction Artificial intelligence is rapidly growing in the finance industry, but one reality remains : real-world financial analyses are rarely clean, linear, or perfectly defined. They

Anthropic unveils Claude Opus 4.1, faster and more reliable

Maxime Hiez
Anthropic
08 Aug, 2025

Introduction Anthropic, a leading player in artificial intelligence, has announced the release of Claude Opus 4.1, a significant update to its flagship model (Claude Opus 4). Designed