Contract Review
GPTClaudeGeminiGrok

Review contracts with up to four AI models

One AI might miss an unfavorable clause. Four AI models reading the same contract from different angles (legal, commercial, risk, and counterparty) can catch what a single model overlooks.

A free account gets 3 questions, no card.

Contract review demands multiple perspectives

  • A single AI model may miss ambiguous language that could be interpreted against you
  • Legal risk analysis requires both technical precision and adversarial thinking
  • Models have different training coverage across jurisdictions and contract types
  • The most dangerous contract terms are the ones that seem standard but aren't

How Synero works

1Ask your question

Your question goes to GPT, Claude, Gemini and Grok. Each answers on its own.

2Get one answer

Synero writes one combined answer from the best of all four.

3See where they split

Agreement is a good sign. Disagreement tells you what to check.

Example question

“Review this SaaS vendor agreement for risks. Focus on data ownership, liability caps, termination clauses, and auto-renewal terms.”

Where models agree

  • All models flag the auto-renewal clause as unusually long (36 months) with a narrow cancellation window
  • All identify a data ownership ambiguity: the contract grants the vendor a 'perpetual license' to aggregated data
  • All recommend negotiating the liability cap, which is set at 12 months of fees

Where models disagree

  • One model reads the data license as limited to anonymized aggregates, while another flags it as potentially covering identifiable data
  • A third argues the termination-for-convenience clause effectively makes the contract one-sided

The consensus answer

The synthesis identifies three must-negotiate items (auto-renewal terms, data licensing scope, liability cap) and two watch items (termination asymmetry, SLA penalty structure). The disagreement on data licensing scope is flagged as the highest-priority issue requiring legal counsel review.

Which preset to use

Solo

Duel

Council

Deep

Deep: up to four flagship models (GPT-6.1 Sol, Claude Opus 5.5, Gemini 3.1 Pro, Grok 4.7). Use it when a wrong answer is expensive. You can also pick 1 to 4 models yourself from 20 across GPT, Claude, Gemini, and Grok.

See it in 30 seconds

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Frequently asked questions

Can Synero replace a lawyer?

No. Synero is a powerful analytical tool for identifying potential issues in contracts, but it is not a substitute for licensed legal counsel. Use it to prepare for legal review, catch obvious issues, and ask better questions of your attorney.

What types of contracts work best?

Synero works well with SaaS agreements, NDAs, employment contracts, licensing agreements, and partnership terms. It's especially valuable for long, complex agreements where important terms can be buried in boilerplate.

How does asking several models help with contract review?

Models read a contract differently. One may focus on structural and financial terms, another on fairness implications, another on edge cases, and another on exploitable ambiguities. The agreement panel shows which concerns every model raised and which only one did.

Catch what one model misses

Four AI perspectives on every contract. Risks, ambiguities, and unfavorable terms surfaced automatically.

Start free

3 free questions, no card. Then $10/month with $10 of usage included, or pay as you go with credit packs from $5, no subscription. Private by default, never used for training. See pricing