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DeepSeek V4 Flash vs MiMo V2.6 Flash

MiMo V2.6 Flash grades higher overall (79.5 against 72.1). DeepSeek V4 Flash costs 36% less for the same work, and both read a 1M-token context.

DeepSeek V4 Flash

by DeepSeek · #27 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.090
Output / 1M
$0.18

MiMo V2.6 Flash

by Xiaomi · #16 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.14
Output / 1M
$0.28

Better overall

MiMo V2.6 Flash

Grade 72.1 vs 79.5

Cheaper

DeepSeek V4 Flash

36% less, $0.11 vs $0.17 blended

Larger context

Same

1M vs 1M tokens

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
DeepSeek V4 FlashDeepSeek V4 Flash: 1,436
MiMo V2.6 FlashMiMo V2.6 Flash: 1,451
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
DeepSeek V4 FlashDeepSeek V4 Flash: 1,582
MiMo V2.6 FlashMiMo V2.6 Flash: 1,635
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
DeepSeek V4 FlashDeepSeek V4 Flash: 1,484
MiMo V2.6 FlashMiMo V2.6 Flash: 1,513
SWE-bench Verified% of issues resolved · SWE-bench · Apr 22, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: 79%v
MiMo V2.6 FlashMiMo V2.6 Flash: —
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Apr 22, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: 52.6%v
MiMo V2.6 FlashMiMo V2.6 Flash: —
Terminal-Bench 4.0% of tasks passed · Terminal-Bench · Sep 21, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Sep 21, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: —
Terminal-Bench 2.0% of tasks passed · Terminal-Bench · Apr 22, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: 56.9%v
MiMo V2.6 FlashMiMo V2.6 Flash: —
LiveCodeBenchpass@1, % · LiveCodeBench · Apr 22, 2026 · reference
DeepSeek V4 FlashDeepSeek V4 Flash: 91.6%v
MiMo V2.6 FlashMiMo V2.6 Flash: —

DeepSeek V4 FlashMiMo V2.6 Flashv = 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.

DeepSeek V4 Flash$25.20 /month
MiMo V2.6 Flash$39.20 /month

DeepSeek V4 Flash saves you $14.00 a month at this usage, $168 a year.

At a glance

AttributeDeepSeek V4 FlashMiMo V2.6 Flash
Made byDeepSeekXiaomi
AvailabilityComing soonComing soon
Overall gradeExcellent · 72.1Excellent · 79.5
Overall rank#27 of 67#16 of 67
Input price$0.090 per 1M$0.14 per 1M
Output price$0.18 per 1M$0.28 per 1M
Context window1,048,576 tokens1,048,576 tokens
Reasoning levelsNoNo
Reads imagesNoYes
Model IDdeepseek-v4-flashmimo-v2.6-flash

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": "deepseek-v4-flash", "messages": [...]}'

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

Questions

Is DeepSeek V4 Flash or MiMo V2.6 Flash better?

MiMo V2.6 Flash grades 79.5 against 72.1 for DeepSeek V4 Flash, from public benchmarks.

Which is cheaper, DeepSeek V4 Flash or MiMo V2.6 Flash?

DeepSeek V4 Flash: $0.090 in and $0.18 out per million tokens, against $0.14 and $0.28 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), SWE-bench, Scale AI SWE-Bench Pro, Terminal-Bench, LiveCodeBench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.