Rewrite · 5 checks · max 400 tokens · benched 2026-09-16

MiniMax M3 vs MiniMax M2.7 vs MiniMax M2.5 on rewrite a stiff notice in a friendly tone

Minimax models side by side on "Rewrite a stiff notice in a friendly tone": MiniMax M3 scores 10/10; MiniMax M3 is the cheapest answer scoring 8+ at $0.56 per 1,000 runs. Outputs, checks, judge reasons, latency and cost.

The prompt every model received

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.

Side by side

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.

MiniMax M3

minimax/minimax-m3

10/10

top judge scorecheapest scoring 8+

Latency: 967ms
Cost: $0.00056
Per 1,000: $0.56

284 in · 449 out (389 reasoning) · 40 words · checks 4/5

max_words
contains
contains
not_contains
not_contains

Hey team! Quick heads-up: the third-floor kitchen will be out of service on Friday, 3 October from 8:00 to 11:00 due to scheduled electrical maintenance. No worries though—you can use the second-floor kitchen during that time. Thanks for your patience!

Judge: Rewrites notice in warm, friendly plain English; includes all facts (date, time, floors, reason); 44 words (well under 80); avoids banned words; perfectly formatted as requested.

MiniMax M2.7

minimax/minimax-m2.7

10/10

Latency: 1.9s
Cost: $0.00071
Per 1,000: $0.71

149 in · 556 out (492 reasoning) · 39 words · checks 4/5

max_words
contains
contains
not_contains
not_contains

Hey team! Just a heads‑up: the third‑floor kitchen will be closed for electrical maintenance on Friday, October 3rd, from 8:00 AM to 11:00 AM. No worries—there’s a kitchenette on the second floor you can use. Thanks for your patience!

Judge: Warm and friendly tone achieved, all facts preserved (date, time, floors, alternative facilities), 39 words (well under 80), banned words avoided, and formatted as requested.

MiniMax M2.5

minimax/minimax-m2.5

10/10

Latency: 2.7s
Cost: $0.00066
Per 1,000: $0.66

146 in · 575 out (525 reasoning) · 43 words · checks 4/5

max_words
contains
contains
not_contains
not_contains

Hi everyone, just a quick heads‑up: due to scheduled electrical maintenance, the third‑floor kitchen will be closed on Friday, October 3rd, from 8:00 am to 11:00 am. You can use the kitchen on the second floor during that time. Thanks for your understanding!

Judge: Warm, friendly tone achieved; all facts preserved (date, time, floors, reason); 44 words (well under 80); banned words avoided; plain English throughout.

Frequently asked

What does this prompt test?

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.

Which model should I pick for this task?

If the judge's bar of 8/10 is good enough for you, MiniMax M3 at $0.56 per 1,000 runs. If you need the top score, MiniMax M3 at $0.56 per 1,000 runs.

Same prompt, other families

Run it yourself

Re-run this prompt on Minimax with your own OpenRouter key, or tweak the wording and see what changes.

Side by side

MiniMax M3

MiniMax M2.7

MiniMax M2.5

Frequently asked

Same prompt, other families

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