Checked fact 7438 Oct 2026Models and releases

On Anthropic's benchmark table Haiku 5.5 scores 72.4% on OSWorld 2.1 (offline subset), Haiku 4.5 15.7%, GPT-6 Luna 48.9% and Sonnet 5.5 83.9%. Quote: "72.4% Offline subset 15.7% Offline subset 48.9% Offline subset 83.9% Offline subset"

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The exact words it rests on

Computer use OSWorld 2.1 72.4% Offline subset 15.7% Offline subset 48.9% Offline subset 83.9% Offline subset

What the source said when we opened it, on 8 Oct 2026.

The source

Introducing Claude Haiku 5.5
Anthropic · 2026-10-07

Open the source archived copy

Checked

Checked by the notis newsroom on 8 Oct 2026, against the source above.

The number in it

48.9% · GPT-6 Luna, benchmark score (OSWorld 2.1 (offline subset), on Anthropic's table)
72.4% · Claude Haiku 5.5, benchmark score (OSWorld 2.1, offline subset)
15.7% · Claude Haiku 4.5, benchmark score (OSWorld 2.1, offline subset)
83.9% · Claude Sonnet 5.5, benchmark score (OSWorld 2.1, offline subset)

In the story

Anthropic cuts small-model prices with Claude Haiku 5.5 8 Oct 2026

Cite this fact

Short permanent address

In a sentence

“On Anthropic's benchmark table Haiku 5.5 scores 72.4% on OSWorld 2.1 (offline subset), Haiku 4.5 15.7%, GPT-6 Luna 48.9% and Sonnet 5.5 83.9%. Quote: "72.4% Offline subset 15.7% Offline subset 48.9% Offline subset 83.9% Offline subset".” ai notis, checked 8 Oct 2026. Source: Introducing Claude Haiku 5.5 (Anthropic). https://ainotis.com/c/743

As a reference (APA style)

ai notis. (2026, October 8). On Anthropic's benchmark table Haiku 5.5 scores 72.4% on OSWorld 2.1 (offline subset), Haiku 4.5 15.7%, GPT-6 Luna 48.9% and Sonnet 5.5 83.9%. Quote: "72.4% Offline subset 15.7% Offline subset 48.9% Offline subset 83.9% Offline subset" [Checked claim 743]. ai notis. https://ainotis.com/c/743

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