Rewrite · 5 checks · max 400 tokens · benched 2026-09-16
Meta models side by side on "Rewrite a stiff notice in a friendly tone": Llama 4 Maverick scores 10/10; Llama 4 Scout is the cheapest answer scoring 8+ at $0.03 per 1,000 runs. Outputs, checks, judge reasons, latency and cost.
User
Rewrite the notice below in a warm, friendly, plain-English tone for a company-wide chat message. Keep every fact, including the date and time, in at most 80 words. Do not use the words "hereby" or "pursuant". Output only the rewritten message. Notice: Staff are hereby informed that, pursuant to the scheduled electrical maintenance, the third-floor kitchen will be unavailable on Friday 3 October between 08:00 and 11:00. Alternative facilities are available on the second floor. Your cooperation is appreciated.
Rubric for the judge: Genuinely friendly tone, all facts kept (date, times, floor, alternative kitchen), under 80 words, no banned words.
Every cell is one OpenRouter call at temperature 0 with the prompt's token cap and reasoning effort "low" where the model supports it. Cost is usage × the catalogue rate in models.json. Quality is one judge call to anthropic/claude-haiku-4.5 against the prompt's rubric, cached per prompt version.
meta/muse-spark-1.3
0 in · 0 out · 0 words · checks 0/5
(empty output)
Judge: —
meta/muse-glimmer-30b
168 in · 185 out (137 reasoning) · 42 words · checks 5/5
Hi team, just a quick heads-up: the third-floor kitchen will be closed for scheduled electrical maintenance on Friday 3 October from 08:00 to 11:00. You can use the kitchen on the second floor instead. Thanks so much for your understanding and cooperation!
Judge: Perfectly rewrites the notice in warm, friendly plain English, includes all facts (date, time, floors, reason), stays well under 80 words (47 words), and avoids both banned words.
meta-llama/llama-4-maverick
122 in · 49 out · 35 words · checks 4/5
Hey team, just a heads up that the third-floor kitchen will be closed on Friday 3 October from 8am to 11am for electrical maintenance. You can use the second-floor facilities instead. Thanks for your understanding!
Judge: Warm and friendly tone achieved, all facts preserved (date, time, floors, reason), 32 words well under 80-word limit, banned words avoided, and formatted as requested.
meta-llama/llama-4-scout
122 in · 52 out · 35 words · checks 5/5
Reminder: The third-floor kitchen will be closed on Friday, 3 October from 8:00-11:00 for scheduled electrical maintenance. Don't worry, you can use the kitchen on the second floor instead. We appreciate your understanding and cooperation.
Judge: Warm, friendly tone achieved; all facts preserved (date, times, floors, reason); 44 words (well under 80); banned words avoided; only minor: 'Don't worry' adds slight informality beyond the original intent but enhances friendliness appropriately.
Rewrite: Genuinely friendly tone, all facts kept (date, times, floor, alternative kitchen), under 80 words, no banned words. The deterministic checks are max_words, contains, contains, not_contains, not_contains.
If the judge's bar of 8/10 is good enough for you, Llama 4 Scout at $0.03 per 1,000 runs. If you need the top score, Llama 4 Maverick at $0.06 per 1,000 runs.
Run it yourself
Re-run this prompt on Meta with your own OpenRouter key, or tweak the wording and see what changes.
More Meta prompts
If our calculators helped you cut down on hidden AI wallet leaks, thanks for using them. A tiny fraction of your savings is what keeps our pricing indexes updated daily.
Not sure which AI is cheapest for your use case? Find out in 30 seconds — no signup required.
AI cost intelligence
Join the OverpayingForAI list for pricing updates, cheaper alternatives, and practical buying guidance.
Now tracking 50+ AI tools, models, platforms, subscriptions, coding tools, and automation products.