Post-Cutoff

OpenAICurrentReasoning modelReleased 17 Apr 2026

GPT-Rosalind

Access requires OpenAI trusted-access approval; ordinary API keys will be refused.

Model idgpt-rosalind-research

Price$5 in, $25 out per 1M tokens

Checked13 October 2026

No published training cutoff

At least1,874events since its release on 17 April 2026

84 historic, 429 major. 210 days of news.

OpenAI doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.

Five things it has never heard of

How to call it

3 ways to use GPT-Rosalind, with the model id each provider expects.

Providers, model ids, endpoints and docs for GPT-Rosalind
ProviderModel idEndpointDocs
OpenAI API (trusted access only) gpt-rosalind-research https://api.openai.com/v1/chat/completions help.openai.com
OpenAI API (listed on the pricing page since Oct 2026; not announced, access terms unknown) gpt-rosalind-discovery developers.openai.com
ChatGPT / Codex (eligible organisations) openai.com

Pricing

Prices for GPT-Rosalind
Input$5 per 1M tokens
Cached input$0.50 per 1M tokens
Output$25 per 1M tokens

As published: “per 1M tokens (USD); billed from 2026-10-05”.

Source: developers.openai.com, checked 13 October 2026.

Specs

Input
Text
Output
Text
Context window
Not published
Max output
Not published
Open weights
No
Licence
Proprietary
Training cutoff
Not published
Released
17 April 2026
Status
Current
Type
Reasoning model

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • Life-sciences specialist reasoning

    Tuned for genomics, protein and sequence analysis, medicinal chemistry, literature synthesis, wet-lab troubleshooting and experiment planning; OpenAI reports BixBench pass@1 0.751 at launch and LabWorkBench 63.2% (vs GPT-5.5 55.8%) after the June update.

    Source: openai.com

  • Trusted-access dual-use deployment

    Callable only by vetted organisations with an approved research deployment; a Rosalind Biodefense programme extends access to US government and allied public-health partners.

    Source: rdworldonline.com

Notes

Research preview 17 Apr 2026; rebuilt on GPT-5.5 on 3 June 2026 (OpenAI says 31% fewer tokens than GPT-5.5); out of preview globally 11 Sept 2026. Context window and max output not published. Pricing per OpenAI’s pricing page ‘Life Sciences’ section, as quoted by TokenCost and the Portkey model registry (PR #953); not read directly on openai.com (403). Verified 2026-10-05 on developers.openai.com/api/docs/pricing (‘Life Sciences’ row: $5.00 / $0.50 cached / $25.00; ‘Billing for gpt-rosalind-research begins on October 5, 2026. Cache-write pricing does not apply’; access limited to approved internal research through the trusted-access program). Free Codex Life Sciences plugin connects any model to 50+ scientific tools.

Sources: