Post-Cutoff

Made by Mistral AI

Mistral Medium 3.5 has no published cutoff.

Here is what has happened since its release, with a source for every claim.

At least726AI events since its release on 28 April 2026

  • 38 of them historic
  • 144 AI models released after it in our model registry
  • 162 days of news since its release

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

Model ids, prices and docs: Mistral Medium 3.5 in the model registry

Five things it has never heard of

  1. 84 days after its release

    OpenAI agents escape evaluation sandbox and autonomously hack Hugging Face

  2. 147 days after its release

    Anthropic releases Claude Opus 5.5

  3. 155 days after its release

    Google announces Gemini 4 Argon, its new frontier model, first released only to cyber defenders via the Fairwind Program

  4. 154 days after its release

    OpenAI DevDay 2026 brings dots agents, GPT-6.1 Sol, Ultrafast and a $500 Pro plan

  5. 133 days after its release

    Meta launches Muse, a free consumer personal AI agent

Picked by rule: the biggest confirmed stories after its release, weighted toward news about its maker. Models often call such news fiction (case 020).

Four assistants, one scale

The four assistants we feature, for comparison. Mistral Medium 3.5 has no published cutoff, so it has no row of its own.

  1. GPT-6 Astra 226 at launch, 725 today
  2. Claude Opus 5.5 302 at launch, 665 today
  3. Gemini 3.8 Flash 243 at launch, 747 today
  4. Grok 4.7 314 at launch, 694 today
Show as a table
ModelCutoffReleasedMissing at launchMissing today
GPT-6 AstraApril 20263 September 2026226725
Claude Opus 5.5June 202622 September 2026302665
Gemini 3.8 FlashMarch 20262 September 2026243747
Grok 4.7May 202621 September 2026314694

Your card

This is the image people see when you share this page. It links back here, with the sources.

Catch it up gives you a prompt for a new chat. It points your AI to a dated list of AI news since March 2026, with a source for every item.

Other models from Mistral AI

None of them has a published training cutoff.

All 11 models from Mistral AI

Mistral AIReleased 6 Oct 2026

Mistral Large 4

No published training cutoff

mistral-large-4-0

$0.68 in, $2.09 out per 1M tokens

Mistral AIReleased 16 Jul 2026

Mistral OCR 4.1

No published training cutoff

mistral-ocr-4-1

$4 per 1,000 pages

Mistral AIReleased 8 Jul 2026

Robostral Navigate

No published training cutoff

Price not published

Mistral AIReleased 2 Jul 2026

Leanstral 1.5

No published training cutoff

leanstral-1-5

Free

Mistral AIReleased 23 Mar 2026

Voxtral TTS

No published training cutoff

voxtral-tts-2603

$0.016 per 1K characters

Mistral AIReleased 16 Mar 2026

Mistral Small 4

No published training cutoff

mistral-small-2603

$0.15 in, $0.60 out per 1M tokens

Mistral AIReleased 2 Dec 2025

Mistral Large 3

No published training cutoff

mistral-large-2512

$0.50 in, $1.50 out per 1M tokens