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GLM 5.3 vs MiMo V2.6 Pro

MiMo V2.6 Pro grades higher overall (85.8 against 83.8). MiMo V2.6 Pro costs 68% less for the same work, and both read a 1M-token context.

GLM 5.3

by Z.ai · #10 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.90
Output / 1M
$4.00

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

MiMo V2.6 Pro

Grade 83.8 vs 85.8

Cheaper

MiMo V2.6 Pro

68% less, $0.54 vs $1.68 blended

Larger context

Same

1M vs 1M tokens

Terminal-Bench 2.1

MiMo V2.6 Pro

88.2% 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
GLM 5.3GLM 5.3: —
Terminal-Bench 3.0% of tasks passed · Terminal-Bench · Aug 25, 2026 · reference
MiMo V2.6 ProMiMo V2.6 Pro: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Sep 21, 2026 · reference

GLM 5.3MiMo 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.

GLM 5.3$340 /month
MiMo V2.6 Pro$121 /month

MiMo V2.6 Pro saves you $219 a month at this usage, $2,630 a year.

At a glance

AttributeGLM 5.3MiMo V2.6 Pro
Made byZ.aiXiaomi
AvailabilityComing soonComing soon
Overall gradeExcellent · 83.8Excellent · 85.8
Overall rank#10 of 67#8 of 67
Input price$0.90 per 1M$0.43 per 1M
Output price$4.00 per 1M$0.87 per 1M
Context window1,048,576 tokens1,048,576 tokens
Reasoning levelsNoNo
Reads imagesNoYes
Model IDglm-5.3mimo-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": "glm-5.3", "messages": [...]}'

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

Questions

Is GLM 5.3 or MiMo V2.6 Pro better?

MiMo V2.6 Pro grades 85.8 against 83.8 for GLM 5.3, from public benchmarks.

Which is cheaper, GLM 5.3 or MiMo V2.6 Pro?

MiMo V2.6 Pro: $0.43 in and $0.87 out per million tokens, against $0.90 and $4.00 through FullsendAI.

Which has the larger context window?

Neither: both take 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), Terminal-Bench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.