14-day free trial — 50 eval credits included

Eliminate Model Uncertainty from Your AI Roadmap.

Your team debates which LLM to use. Meanwhile, you're burning budget on the wrong one. PeerLM runs blind evaluations across 200+ models so the data decides — not opinions.

Start My Free Evaluation See How It Works

14-day free trial · 50 eval credits · No credit card required

200+

Models Supported

15+

LLM Providers

Zero Evaluator Bias

<5 min

First Results in Minutes

Why PeerLM

Every feature exists to remove bias and deliver clarity

Built from first principles for rigorous, unbiased model comparison. Not another chatbot playground.

Eliminate Name Bias from Every Decision

Evaluator models see anonymized, shuffled responses and rank without knowing the source. No positional bias, no brand favoritism — just raw performance data.

Get Granular, Exportable Performance Data

Structured JSON scoring means each item is scored independently — not buried in free-text prose. Export directly to your analytics stack or data warehouse.

Test Every Model Against Real User Scenarios

Define personas with unique system prompts and criteria, then see exactly which model excels for which audience. No more one-size-fits-all benchmarks.

See Which Model Wins for Each Use Case

Per-persona leaderboards with best/worst performer identification, model rankings, and score distributions — the reporting quality your stakeholders expect.

Cut Costs with Smart Response Caching

Identical prompts reuse responses at zero credit cost. Edit a prompt and the cache auto-invalidates — iterate fast without burning through your budget.

Get Reproducible Results Every Time

Pin temperature to 0 and fix seeds where supported. Capability checks ensure only valid parameters are sent — no silent failures, fully reproducible results.

How It Works

From configuration to insight in minutes

Set up an evaluation in minutes. Get results you can present to leadership.

Configure Your Evaluation

Pick models, define personas, set topics — minutes, not days. Start from a template or build from scratch.

Run Blind Rankings

Responses are anonymized, shuffled, and judged by LLM evaluators. No model knows it's being tested. No evaluator knows who produced what.

Get Data Your CTO Will Trust

Per-persona leaderboards, score matrices, and exportable reports. Share publicly or pipe into your data warehouse as CSV/JSON.

Before & After

What changes when guesswork ends

Without PeerLM

With PeerLM

Flipping between ChatGPT and Claude tabs, hoping you'll 'just know'

Automated blind ranking across dozens of real-world scenarios

Arbitrary 1–10 scores nobody can reproduce or defend

Relative ranking that surfaces true performance gaps

One prompt, tested once, by one person on a Friday afternoon

Batch evaluation across personas, topics, and criteria

'We went with GPT because… the team already had it open'

Audit-ready data your CTO and CFO can stand behind

Paying premium rates for models that underperform cheaper ones

Data-driven selection that can save 30–60% on model costs

Pricing

Simple, transparent pricing

Start free. Scale when you're ready. No card required.

Team

$499/mo

per workspace

1,000 eval credits/month
5 team members
API access & webhooks
Shareable public reports

Start My Free Trial

14-day free trial · No card required

Eliminate model uncertainty from your AI roadmap.

Join AI engineering teams who stopped debating models and started proving which one wins.

Start My Free Trial

14-day free trial · 50 eval credits · No credit card required