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Grok 4.7 vs MiMo-V2.6-Flash

Updated October 21, 2026. 65 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Grok 4.7 Replace MiMo-V2.6-Flash
Grok 4.7xAI
Coding
75.0
Overall
46.4
Output $/M
$6.00
21
MiMo-V2.6-FlashXiaomi
Coding
61.9
Overall
37.9
Output $/M
$0.28
42
vs boards won of 65 shared, 2 tied

Decision reading

Pick Grok 4.7 for coding: it scores 75.0 on the Vibe Coding Index against 61.9 for MiMo-V2.6-Flash.

Pick MiMo-V2.6-Flash when output tokens cost 21.4x less, or when the context window is larger, 1.05M against 500K tokens.

Model AGrok 4.7xAI75.0/1002 independent benchmarksNo cost per solved taskModel BMiMo-V2.6-FlashXiaomi61.9/1001 independent benchmarkNo cost per solved task
Shared results
65
Grok 4.7 only
34
MiMo-V2.6-Flash only
1
Like-for-like categories
7 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Grok 4.7 75.0 from 2 benchmarks, MiMo-V2.6-Flash 61.9 from 1 benchmark.
Widest category
Math, 18.2 points apart on average over 3 shared benchmarks.
Widest single gap
ProofBench: Grok 4.7 26.0% against MiMo-V2.6-Flash 63.0%, 37.0 points apart on a 0 to 100 scale.
Output price
Grok 4.7 $6.00 against MiMo-V2.6-Flash $0.28 per million output tokens, 21.4x apart.
Context window
Grok 4.7 takes 500K tokens, MiMo-V2.6-Flash 1.05M.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryGrok 4.7BarsMiMo-V2.6-FlashTies
Coding761 tie
Intelligence10
Agentic work621 tie
Reasoning34
Math03
Knowledge14
General323
All shared boards21422 ties
CodingLike-for-likeFour of these boards feed the Vibe Coding Index76
Coding benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
LiveBench coding84.5%Not measuredOnly Grok 4.7 measured
LMArena WebDev16371634Grok 4.7
Terminal-Bench 4 (Vals AI)28.8%24.2%Grok 4.7
Vibe Code Bench (Vals AI)86.2%79.0%Grok 4.7
Code migration (Vals AI)44.8%40.9%Grok 4.7
ProgramBench (Vals AI)0.5%0.5%Tie
IOI (Vals AI)57.7%47.7%Grok 4.7
Terminal-Bench 2.1 (Vals AI)73.4%76.4%MiMo-V2.6-Flash
SWE-bench Multimodal (Vals AI)42.9%Not measuredOnly Grok 4.7 measured
CyberBench (Vals AI)69.5%75.4%MiMo-V2.6-Flash
SciCode57.8%51.3%Grok 4.7
FrontierCode47.6%Not measuredOnly Grok 4.7 measured
FrontierSWE29.5%Not measuredOnly Grok 4.7 measured
ALE-BenchNot measured1244.2Only MiMo-V2.6-Flash measured
LMArena Text: coding14321499MiMo-V2.6-Flash
LMArena Text: software and IT14211497MiMo-V2.6-Flash
LMArena WebDev: React16631648Grok 4.7
LMArena WebDev: HTML16271641MiMo-V2.6-Flash
LMArena WebDev: from an image15861596MiMo-V2.6-Flash
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
AA Intelligence Index46.437.9Grok 4.7
Epoch Capabilities Index154.4Not measuredOnly Grok 4.7 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index62
Agentic work benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
LiveBench research86.4%Not measuredOnly Grok 4.7 measured
LiveBench browser60.0%Not measuredOnly Grok 4.7 measured
LiveBench long agentic50.1%Not measuredOnly Grok 4.7 measured
SREBench (Vals AI)3.8%4.2%MiMo-V2.6-Flash
Finance Agent (Vals AI)52.3%56.3%MiMo-V2.6-Flash
Tax Agent Bench (Vals AI)34.2%28.5%Grok 4.7
Legal Research Bench (Vals AI)47.1%38.0%Grok 4.7
Harvey's Legal Agent Benchmark (Vals AI)18.3%13.3%Grok 4.7
Excel Modeling Benchmark (Vals AI)67.0%65.5%Grok 4.7
BioMysteryBench (Vals AI)69.3%69.3%Tie
Terminal-Bench-Science (Vals AI)10.0%4.3%Grok 4.7
Vals Science Index34.8%31.7%Grok 4.7
Robo-bench (Vals AI)0.2%Not measuredOnly Grok 4.7 measured
APEX-Agents54.6%Not measuredOnly Grok 4.7 measured
Vending-Bench 2$10,537Not measuredOnly Grok 4.7 measured
Neither model has a result on the other 24 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index34
Reasoning benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
LiveBench reasoning82.7%Not measuredOnly Grok 4.7 measured
MysteryMechanism (Vals AI)25.2%21.6%Grok 4.7
Humanity's Last Exam (Artificial Analysis run)43.1%35.1%Grok 4.7
GPQA Diamond (Epoch AI run)92.7%Not measuredOnly Grok 4.7 measured
ARC-AGI90.2%Not measuredOnly Grok 4.7 measured
ARC-AGI-261.4%Not measuredOnly Grok 4.7 measured
Chess puzzles41.0%Not measuredOnly Grok 4.7 measured
Mystery game puzzles29.0%Not measuredOnly Grok 4.7 measured
LMArena Text: hard prompts14151475MiMo-V2.6-Flash
LMArena Text: expert14391496MiMo-V2.6-Flash
LMArena Text: hard prompts in English14271493MiMo-V2.6-Flash
LMArena Vision: diagrams12541276MiMo-V2.6-Flash
LMArena Vision: homework13091283Grok 4.7
Neither model has a result on the other 8 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
OTIS Mock AIME98.1%Not measuredOnly Grok 4.7 measured
FrontierMath, tiers 1 to 353.0%Not measuredOnly Grok 4.7 measured
FrontierMath, tier 417.1%Not measuredOnly Grok 4.7 measured
ProofBench26.0%63.0%MiMo-V2.6-Flash
LMArena Text: math14141476MiMo-V2.6-Flash
LMArena Text: mathematical work14351478MiMo-V2.6-Flash
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index14
Knowledge benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
LegalBench (Vals AI)84.4%Not measuredOnly Grok 4.7 measured
MedCode (Vals AI)49.5%41.1%Grok 4.7
SimpleQA Verified56.0%Not measuredOnly Grok 4.7 measured
LMArena Text: science14191462MiMo-V2.6-Flash
LMArena Text: medicine and healthcare13951439MiMo-V2.6-Flash
LMArena Text: legal and government14231441MiMo-V2.6-Flash
LMArena Text: business and finance13891454MiMo-V2.6-Flash
Neither model has a result on the other 10 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
Design Arena: websites1255Not measuredOnly Grok 4.7 measured
Design Arena: UI components1271Not measuredOnly Grok 4.7 measured
Design Arena: game dev1314Not measuredOnly Grok 4.7 measured
Design Arena: data viz1227Not measuredOnly Grok 4.7 measured
Design Arena: 3D1269Not measuredOnly Grok 4.7 measured
Design Arena: all code categories1271Not measuredOnly Grok 4.7 measured
LiveBench design78.0%Not measuredOnly Grok 4.7 measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index323
General benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
Vals Index58.6%54.8%Grok 4.7
LiveBench data analysis76.9%Not measuredOnly Grok 4.7 measured
Public Benefits Bench (Vals AI)65.6%67.6%MiMo-V2.6-Flash
SAGE (Vals AI)40.8%43.5%MiMo-V2.6-Flash
MedScribe (Vals AI)89.4%85.3%Grok 4.7
Long context reasoning (AA-LCR)80.0%74.3%Grok 4.7
DTBench96.0%Not measuredOnly Grok 4.7 measured
LMCA49.4%Not measuredOnly Grok 4.7 measured
Furniture assembly20.8%Not measuredOnly Grok 4.7 measured
LMArena Text13991453MiMo-V2.6-Flash
LMArena Text: instruction following14061452MiMo-V2.6-Flash
LMArena Text: creative writing13811403MiMo-V2.6-Flash
LMArena Vision12311256MiMo-V2.6-Flash
LMArena Text: English14111476MiMo-V2.6-Flash
LMArena Text: non-English13861431MiMo-V2.6-Flash
LMArena Text: Chinese14491509MiMo-V2.6-Flash
LMArena Text: German13661458MiMo-V2.6-Flash
LMArena Text: Japanese13591359MiMo-V2.6-Flash
LMArena Text: Korean13831425MiMo-V2.6-Flash
LMArena Text: French14311480MiMo-V2.6-Flash
LMArena Text: Spanish14061453MiMo-V2.6-Flash
LMArena Text: Russian13991409MiMo-V2.6-Flash
LMArena Text: Polish14201455MiMo-V2.6-Flash
LMArena Text: multi-turn13941447MiMo-V2.6-Flash
LMArena Text: longer queries14161459MiMo-V2.6-Flash
LMArena Text: writing and language13941424MiMo-V2.6-Flash
LMArena Text: entertainment and media13761415MiMo-V2.6-Flash
LMArena Vision: English12291269MiMo-V2.6-Flash
LMArena Vision: Chinese1250Not measuredOnly Grok 4.7 measured
LMArena Vision: reading text12411270MiMo-V2.6-Flash
LMArena Vision: creative writing12171231MiMo-V2.6-Flash
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Grok 4.7 and MiMo-V2.6-Flash
BenchmarkGrok 4.7MiMo-V2.6-FlashLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Grok 4.7$0.0050Fits in one request
MiMo-V2.6-Flash$0.0003Fits in one request

MiMo-V2.6-Flash costs less

Repository review

50K input + 3K output tokens

Grok 4.7$0.118Fits in one request
MiMo-V2.6-Flash$0.0078Fits in one request

MiMo-V2.6-Flash costs less

Agent loop

200K input + 10K output tokens

Grok 4.7$0.460Fits in one request
MiMo-V2.6-Flash$0.031Fits in one request

MiMo-V2.6-Flash costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Grok 4.7 and MiMo-V2.6-Flash
SpecificationSpaceXAI Grok 4.7Xiaomi MiMo-V2.6-Flash
MakerxAIXiaomi
WeightsNo public weights listedOpen weights
ReleasedSeptember 21, 2026September 21, 2026
Context window500K1.05M
Input $/Mtok$2.00$0.14
Output $/Mtok$6.00$0.28
Coding index75.061.9
Independent measurements behind it21
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Grok 4.7 better than MiMo-V2.6-Flash for coding?

Pick Grok 4.7 for coding: it scores 75.0 on the Vibe Coding Index against 61.9 for MiMo-V2.6-Flash. Pick MiMo-V2.6-Flash when output tokens cost 21.4x less, or when the context window is larger, 1.05M against 500K tokens.

Which is cheaper, Grok 4.7 or MiMo-V2.6-Flash?

Grok 4.7 costs $2.00 per million input tokens and $6.00 per million output tokens; MiMo-V2.6-Flash costs $0.14 and $0.28. Cost per solved task is known for neither of them.

Which has the bigger context window, Grok 4.7 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash, with 1.05M tokens against 500K.

How many benchmarks is the Grok 4.7 vs MiMo-V2.6-Flash comparison based on?

65 benchmarks have a result for both models as of October 21, 2026. Grok 4.7's coding index rests on 2 independent benchmarks and MiMo-V2.6-Flash's on 1. Where only one model has a result, the page says so instead of naming a winner.

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