YandexGPT 5.1 Pro

Released
2025-08-28
Last refreshed
2026-05-19
Status
Researched 136d ago
ProprietaryCommercial use: conditionalLong context

YandexGPT 5.1 Pro is a released long context model with 128k context; evaluate it while provider pricing coverage matures.

Yandex releases · 1 in the last 12 monthsChangelog →
Specifications
Family
YandexGPT
Released
2025-08-28
Context
128k
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Created by

Innovative AI merges search with language

Moscow, Russia
Founded 1997
Website
Pricing

No tracked provider token pricing is available yet.

About

Flagship YandexGPT model with 128k context window. 2.5x faster inference than YandexGPT 4 Pro. Cost reduced to 40 kopecks per 1000 tokens. Outperforms previous generation in 58% of cases and OpenAI GPT-4.1 in 56% of cases.

Provider price ladder

No tracked provider token pricing is available for this model yet.

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Long context

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.