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MiniMax M3.1 Flash vs Hermes 3 405B Instruct

Published LiveBench scores across all seven categories, live list pricing, context windows, and the measured cost of a point of capability — for both models, side by side.

OpenRouter + LiveBenchAll comparisonsFull leaderboard

MiniMax M3.1 Flash is the cheaper of the two; neither can be ranked on quality here.

Hermes 3 405B Instruct does not have a published LiveBench run, so this comparison covers price, context and declared capabilities only. A missing score means "not evaluated", not "worse" — the right way to separate these two is an eval on your own workload.

minimax

MiniMax M3.1 Flash

Blended / 1M
$0.262
Context
1.0M
Released
Oct 19, 2026
Overall score
66.9
reasoningtool callingimage inputvideo inputprompt caching

nousresearch

Hermes 3 405B Instruct

Blended / 1M
$1.00
Context
131K
Released
Aug 16, 2024
Overall score
Not evaluated

Specs and pricing

MetricMiniMax M3.1 FlashHermes 3 405B Instruct
LiveBench overall

Weighted mean of the seven LiveBench category scores, 0–100. Higher is better.

66.9—
Cost per point

Measured benchmark spend divided by overall score — dollars per point of capability.

$0.0015—
Blended price / 1M

3:1 input:output mix, the usual shape of production traffic.

$0.262win$1.00
Input price / 1M$0.150win$1.00
Output price / 1M$0.600win$1.00
Cached input / 1M

Price of an input token served from the prompt cache, where the provider publishes one.

$0.015—
Context window1.0Mwin131K
Max output tokens524Kwin16K

Benchmarks by category

An overall score averages away the thing you probably care about. These are the seven LiveBench categories scored separately — MiniMax M3.1 Flash on top, Hermes 3 405B Instruct below, both out of 100.

Long-horizon agentic
28.8
—
Coding
83.9
—
Reasoning
82.9
—
Browser
80.6
—
Data analysis
71.4
—
Research
72.7
—
Documents & design
74.0
—

What each one costs to run

Per-token prices are hard to feel. These are monthly list costs for both models across five workload shapes, using each provider's published cached-input rate where there is one.

WorkloadMiniMax M3.1 FlashHermes 3 405B Instruct
Support chatbot

1.2K in / 400 out × 200K requests

$74.28/mo$320.00/mo
RAG assistant

8K in / 600 out × 100K requests

$102.00/mo$860.00/mo
Coding agent

40K in / 4K out × 20K requests

$92.40/mo$880.00/mo
Document extraction

20K in / 1.5K out × 50K requests

$188.25/mo$1,075/mo
Bulk classification

500 in / 20 out × 5M requests

$367.50/mo$2,600/mo
Run these two through the cost calculator

Which should you pick?

You need to fit large documents in one call

MiniMax M3.1 Flash

Wider context window — 1.0M against 131K.

MiniMax M3.1 Flash vs Hermes 3 405B Instruct FAQ

Which is better, MiniMax M3.1 Flash or Hermes 3 405B Instruct?

MiniMax M3.1 Flash is the cheaper of the two; neither can be ranked on quality here. Hermes 3 405B Instruct does not have a published LiveBench run, so this comparison covers price, context and declared capabilities only. A missing score means "not evaluated", not "worse" — the right way to separate these two is an eval on your own workload.

Is MiniMax M3.1 Flash cheaper than Hermes 3 405B Instruct?

MiniMax M3.1 Flash is cheaper. On a 3:1 input:output blend, MiniMax M3.1 Flash lists at $0.262 per million tokens and Hermes 3 405B Instruct at $1.00 — MiniMax M3.1 Flash is 3.8× cheaper. Input and output are priced separately — MiniMax M3.1 Flash charges $0.150 in and $0.600 out, Hermes 3 405B Instruct charges $1.00 and $1.00 — so the model that looks cheaper flips depending on how output-heavy your workload is.

Does MiniMax M3.1 Flash or Hermes 3 405B Instruct have a bigger context window?

MiniMax M3.1 Flash has the larger context window: 1.0M for MiniMax M3.1 Flash against 131K for Hermes 3 405B Instruct. Note that a window you can fill is not a window you should fill — retrieval quality usually degrades well before the limit, and you pay for every token you put in it.

Do MiniMax M3.1 Flash and Hermes 3 405B Instruct support prompt caching?

MiniMax M3.1 Flash publishes a cached-input rate of $0.015 per million tokens against a full input rate of $0.150. The catalogue lists no separate cached rate for Hermes 3 405B Instruct, which means the provider does not price it separately here — not that caching is unavailable.

Related comparisons

How these numbers are produced

  • Price — provider list price from OpenRouter, refreshed every 15 minutes. “Blended” is a 3:1 input:output mix.
  • Scores — LiveBench release 2026-10-25, using their own category map. Each model shows its strongest published run. A blank means “not evaluated”, never “bad”.
  • Cost per point — the measured dollars LiveBench spent on the run, divided by the score it earned.
  • “Win” — awarded only past a threshold: one full point on a benchmark score, 10% on a price, 25% on a context window. Anything tighter reports as a tie, because effort settings alone move a LiveBench score by more than that.

Published benchmarks rank models on someone else's tasks. Before committing, see LLM & agent evaluation for building an eval on your own.