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Hy4 Preview vs MiniMax M3

Close to a tie overall. MiniMax M3 costs 61% less for the same work.

Hy4 Preview

by

Coming soon · price at launch
Context
1M
Input / 1M
$0.83
Output / 1M
$2.50

MiniMax M3

by MiniMax · #30 of 67 overall

Coming soon · price at launch
Context
512K
Input / 1M
$0.28
Output / 1M
$1.10

Better overall

About even

Grade 69.3 vs 69.6

Cheaper

MiniMax M3

61% less, $0.48 vs $1.25 blended

Larger context

Hy4 Preview

1M vs 512K tokens

Terminal-Bench 2.1

Hy4 Preview

85.4% vs 66%

Head to head

Public benchmarks. Longer is better; each value links to its source.

LMArena TextElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Hy4 PreviewHy4 Preview: —
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Hy4 PreviewHy4 Preview: —
SWE-bench Verified% of issues resolved · SWE-bench · Jun 2, 2026 · reference
Hy4 PreviewHy4 Preview: —
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Jun 2, 2026 · reference
Hy4 PreviewHy4 Preview: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Aug 27, 2026 · reference

Hy4 PreviewMiniMax M3v = reported by the model’s maker. — = no public score yet. Arena bars span the range across every model we grade.

What it costs you

Drag to match your monthly usage.

Hy4 Preview$267 /month
MiniMax M3$100 /month

MiniMax M3 saves you $167 a month at this usage, $2,002 a year.

At a glance

AttributeHy4 PreviewMiniMax M3
Made byMiniMax
AvailabilityComing soonComing soon
Overall gradeNot ratedStrong · 69.6
Overall rankNot ranked#30 of 67
Input price$0.83 per 1M$0.28 per 1M
Output price$2.50 per 1M$1.10 per 1M
Context window1,048,576 tokens524,288 tokens
Reasoning levelsNoNo
Reads imagesNoYes
Model IDhy4-previewminimax-m3

Try both with one key

Same endpoint, same key, both hosted in the USA. Change one word to switch models, in Claude Code, Cursor, Cline or your own code.

Get your API key
# Ask either model the same thing
curl https://fullsendai.com/v1/chat/completions \
  -H "Authorization: Bearer $FULLSEND_API_KEY" \
  -d '{"model": "hy4-preview", "messages": [...]}'

# …then swap one word
  -d '{"model": "minimax-m3", "messages": [...]}'

Questions

Is Hy4 Preview or MiniMax M3 better?

They grade within two points of each other (69.3 and 69.6), so pick on price and the benchmarks that match your work.

Which is cheaper, Hy4 Preview or MiniMax M3?

MiniMax M3: $0.28 in and $1.10 out per million tokens, against $0.83 and $2.50 through FullsendAI.

Which has the larger context window?

Hy4 Preview, with 1,048,576 tokens.

Can I use both with one API key?

Yes, once they launch: both are coming soon, at the prices shown, and both will use the same FullsendAI key.

Model rankingsAll benchmarksCompare other models

Scores: LMArena (CC BY 4.0), SWE-bench, Scale AI SWE-Bench Pro, Terminal-Bench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.