OpenAI · llm model

GPT-Rosalind-6

GPT-Rosalind-6 is OpenAI's latest language model in our dataset (limited access), released Oct 30, 2026. Proprietary, API access only. OpenAI's trusted-access reasoning model for biology, drug discovery and translational medicine, built on the same weights as GPT-6 Astra and available only to approved organizations. Verified against vendor sources on Nov 2, 2026.

Reported Last verified Nov 2, 2026 · All models · JSON · Markdown

Primary source: https://deploymentsafety.openai.com/gpt-rosalind-6. We are the fast, independent index; the vendor’s own page is the source of record for these model facts.

ReleasedOct 30, 2026
LicenceProprietaryProprietary (trusted access)

Modalities not verified

Key facts

Vendor-reported facts are read from the linked vendor page on the date shown above; we did not run the model. Independently tested means we ran it; no fact on this page is. Editorial is our own classification, not a vendor claim. Where a linked page does not itself state a value, the row says so. How to read provenance.

GPT-Rosalind-6: key facts with sources
Fact	Value	Label	Source
Vendor	OpenAI	Editorial	n/a
Released	Oct 30, 2026 System card addendum dated October 30, 2026; access is limited to approved customers.	Vendor-reported	source
Status	limited access	Editorial	n/a
Licence	Proprietary (trusted access)	Vendor-reported	source

Where GPT-Rosalind-6 sits in our data

Released Oct 30, 2026 (week 44 of 2026), in October 2026. Other models in our data released that month: Clover-35B-A3B-Preview, SenseNova-Loop-9B-Preview, Pika H3 Flex, Gemini 4 Carbon.
The previous OpenAI model we track is GPT-6.1 Terra (Oct 26, 2026), 4 days earlier.
OpenAI tools we cover: Codex CLI, ChatGPT, OpenAI Agents SDK.
All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding. Price and rank context: LLM pricing comparison · cheapest LLM API · best AI model right now.

Alternatives to GPT-Rosalind-6

Language models from other vendors that share at least one of our groups with GPT-Rosalind-6. Comparable on paper, from each model’s sourced facts; we have not run them.

Kimi K3.1 ProMoonshot AI · Both in: Reasoning · $2 in / $10 out per 1M tokens · 1.05M context · released Oct 23, 2026
Gemini 4 ArgonGoogle · Both in: Reasoning · $2 in / $10 out per 1M tokens (introductory price until Nov 30, 2026; list $4 / $20) · 1.05M context · released Oct 13, 2026
Claude Opus 5.5Anthropic · Both in: Reasoning · $4 in / $20 out per 1M tokens · 1M context · released Sep 22, 2026
Grok 4.7xAI · Both in: Reasoning · $2 in / $6 out per 1M tokens · 500K context · released Sep 21, 2026
Claude Fable 5.1Anthropic · Both in: Reasoning · $10 in / $50 out per 1M tokens · 1M context · released Sep 15, 2026
Grok 4.20xAI · Both in: Reasoning · $1.25 in / $2.5 out per 1M tokens · 1M context · released Mar 10, 2026

How GPT-Rosalind-6 differs from GPT-6.1 Terra

Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.

We have no recorded price for GPT-Rosalind-6; GPT-6.1 Terra has one.
Status is limited access, against generally available.
GPT-Rosalind-6 came out 4 days after GPT-6.1 Terra.
Facts for the other model: GPT-6.1 Terra.

What the sources say

These are claims from the linked pages, not our measurements.

OpenAI reports 49.6% on MedChemBench v7, 37.7% on GeneBench Pro v13 and 61.3% on LifeSciBench Gold. These are vendor-run figures.

What we tested

Nothing yet. We have not run GPT-Rosalind-6 ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.

Not verified, left out

We could not confirm these on a vendor page, so we do not state them.

The system card addendum does not state pricing, an API model identifier or a context window.
Benchmark scores are OpenAI's own.

GPT-Rosalind-6 FAQ

When was GPT-Rosalind-6 released?

OpenAI released GPT-Rosalind-6 on Oct 30, 2026; it is listed as limited access. Source.

Is GPT-Rosalind-6 open weights?

No. The weights are not published; the licence is listed as Proprietary (trusted access). Source.

Has Agentic Weekly tested GPT-Rosalind-6?

Not yet. Every fact on this page is Reported: read from the linked vendor pages, not measured by us.

Sources

OpenAI GPT-Rosalind-6 System Card Addendum

Compare and guides

We have no head-to-head page or guide that names GPT-Rosalind-6 yet. These hubs cover the models we do compare.

All model comparisons · All guides · Model releases by month

5 new-model use cases. Every Monday.

A free email every Monday: the week's few big AI releases, then 5 short use cases for the new models, each with a prompt you can paste.

Free. Double opt-in. One click to unsubscribe.