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Kimi K3 vs MiMo V2.6 Pro

Kimi K3 grades higher overall (88.7 against 85.8). MiMo V2.6 Pro costs 91% less for the same work, and both read a 1M-token context.

Kimi K3

by Moonshot AI · #5 of 67 overall

Available
Context
1M
Input / 1M
$2.85
Output / 1M
$14.25

MiMo V2.6 Pro

by Xiaomi · #8 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.43
Output / 1M
$0.87

Better overall

Kimi K3

Grade 88.7 vs 85.8

Cheaper

MiMo V2.6 Pro

91% less, $0.54 vs $5.70 blended

Larger context

Same

1M vs 1M tokens

Terminal-Bench 2.1

MiMo V2.6 Pro

88.3% vs 89.9%

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
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Terminal-Bench 4.0% of tasks passed · Terminal-Bench · Sep 21, 2026 · reference
Kimi K3Kimi K3: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Sep 21, 2026 · reference

Kimi K3MiMo V2.6 Prov = 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.

Kimi K3$1,140 /month
MiMo V2.6 Pro$121 /month

MiMo V2.6 Pro saves you $1,019 a month at this usage, $12,230 a year.

At a glance

AttributeKimi K3MiMo V2.6 Pro
Made byMoonshot AIXiaomi
AvailabilityAvailable nowComing soon
Overall gradeExcellent · 88.7Excellent · 85.8
Overall rank#5 of 67#8 of 67
Input price$2.85 per 1M$0.43 per 1M
Output price$14.25 per 1M$0.87 per 1M
Context window1,048,576 tokens1,048,576 tokens
Reasoning levelsYesNo
Reads imagesYesYes
Model IDkimi-k3mimo-v2.6-pro

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": "kimi-k3", "messages": [...]}'

# …then swap one word
  -d '{"model": "mimo-v2.6-pro", "messages": [...]}'

Questions

Is Kimi K3 or MiMo V2.6 Pro better?

Kimi K3 grades 88.7 against 85.8 for MiMo V2.6 Pro, from public benchmarks.

Which is cheaper, Kimi K3 or MiMo V2.6 Pro?

MiMo V2.6 Pro: $0.43 in and $0.87 out per million tokens, against $2.85 and $14.25 through FullsendAI.

Which has the larger context window?

Neither: both take 1,048,576 tokens.

Can I use both with one API key?

Kimi K3 is available now; the other is coming soon, at the price shown. Both will use the same FullsendAI key.

Model rankingsAll benchmarksCompare other models

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