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Toloka Arena

Platform

by Toloka

An independent evaluation platform that ranks frontier LLMs on agentic tool-use tasks using private, non-contaminated benchmarks across industry domains, scored on a pass^5 reliability metric, with the underlying RL Gyms and evaluation datasets available to license.

Find alternatives to Toloka Arena

The dedicated pricing page carries no dollar figures at all - it was checked for '$', 'price', 'cost' and 'free' and none appear. It lists four quote-only offerings (closed automatic evaluation, human-in-the-loop, off-the-shelf datasets, bespoke RL gyms) behind 'Get the data' / 'Talk to an expert' form CTAs. All Arena CTAs on the product page, including 'Test your model', point to the same contact form anchor, so there is no self-serve price.

What it does

• Evaluation and observability
• Model training
• Data labelling

Sources

Pricing

Pricing page · 5 Sep 2026

Fetched. Heading 'Evaluate your model, know where you stand'. Four offerings, zero dollar amounts, contact-form CTAs only.

Description

Official documentation · 5 Sep 2026

Fetched. 'Compare leading LLMs on our suite of private benchmarks. See how frontier models actually perform on tasks they've never trained on.' pass^5 defined as 'the probability that all five independent trials of the same task succeed'. 'License our RL Gyms and evaluation data across many domains to train and test your own models.'

Sold within

Live re-check 2026-09-15: toloka.ai/arena and /arena-pricing describe Arena's own nav entry and pricing page, but neither explicitly states it is sold independent of the Toloka Platform — ambiguous, downgraded from the prior note's confident reading.

Also from Toloka

• Toloka Platform Data service

  A self-serve platform where an AI agent turns a described data goal into a full human-annotation pipeline - RLHF and preference data, data collection, instruction tuning, model evaluation, synthetic-data validation and content-moderation QA - with LLM-based quality checks on the output.

• Toloka Train Platform

  A self-serve service that lowers per-request inference cost through two tools - fine-tuning LoRA adapters on frozen Qwen3 base models to replace a frontier API on a narrow task, and prompt gisting that compresses long instruction prefixes into learned tokens.

• Tendem AI agent

  A hybrid AI-plus-human agent that takes a delegated task - research, data analysis, copywriting, design or development - has AI do the first pass, then routes it to one of 10,000+ vetted experts for verification and multi-layer QA, returning results in 2-24 hours.

• Off-the-shelf Datasets Data service

  Toloka's catalogue of ready-made training datasets sold outright — three named at the time of writing (Tau-bench Dataset Extension, University-level Math Reasoning, Multimodal Conversations) — as distinct from the custom data work its Platform sells.

• Toloka Physical AI Data service

  Human-in-the-loop data programs -- demonstrations, annotation and evaluation -- for training robotics and physical AI systems.

Open Toloka in the directory

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