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GLM 5.1 vs MiMo-V2.5-Pro

GLM 5.1 leads MiMo-V2.5-Pro on coding, 49.2 to 31.6 on the Vibe Coding Index, and MiMo-V2.5-Pro costs 4.8x less per output token ($0.9152 vs $4.40 per million). Updated October 22, 2026; 65 benchmarks have a result for both.

Replace GLM 5.1 Replace MiMo-V2.5-Pro
GLM 5.1Z.ai
Coding
49.2
Overall
57.5
Output $/M
$4.40
34
MiMo-V2.5-ProXiaomi
Coding
31.6
Overall
39.3
Output $/M
$0.9152
30
vs boards won of 65 shared, 1 tied

GLM 5.1 or MiMo-V2.5-Pro: which to pick

Pick GLM 5.1 for coding: it scores 49.2 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro, though on 3 benchmarks against 4.

Pick MiMo-V2.5-Pro for output tokens 4.8x cheaper ($0.9152 vs $4.40 per million) and a lower cost per solved task ($0.03 against $0.60).

Model AGLM 5.1Z.ai49.2/1003 independent benchmarks$0.60 per solved taskModel BMiMo-V2.5-ProXiaomi31.6/1004 independent benchmarks$0.03 per solved task
Shared results
65
GLM 5.1 only
24
MiMo-V2.5-Pro only
5
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

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
GLM 5.1 49.2 from 3 benchmarks, MiMo-V2.5-Pro 31.6 from 4 benchmarks.
Widest category
Agentic work, 5.4 points apart on average over 4 shared benchmarks.
Widest single gap
Design Arena: data viz: GLM 5.1 1366 against MiMo-V2.5-Pro 1257, 13.6 points apart on a 0 to 100 scale.
Output price
GLM 5.1 $4.40 against MiMo-V2.5-Pro $0.9152 per million output tokens, 4.8x apart.
Context window
GLM 5.1 takes 205K tokens, MiMo-V2.5-Pro 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
CategoryGLM 5.1BarsMiMo-V2.5-ProTies
Coding671 tie
Intelligence10
Agentic work40
Reasoning24
Math12
Knowledge54
Web design71
General812
All shared boards34301 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index67
Coding benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
LMArena WebDev15081480GLM 5.1
AA Coding Index55.860.2MiMo-V2.5-Pro
LiveCodeBench (Vals AI)81.4%81.3%GLM 5.1
SWE-bench Verified (Vals AI)76.4%74.0%GLM 5.1
Terminal-Bench 4 (Vals AI)Not measured0.5%Only MiMo-V2.5-Pro measured
Vibe Code Bench (Vals AI)31.5%34.1%MiMo-V2.5-Pro
Code migration (Vals AI)25.8%21.6%GLM 5.1
ProgramBench (Vals AI)0.0%Not measuredOnly GLM 5.1 measured
Terminal-Bench 2.1 (Vals AI)56.9%57.3%MiMo-V2.5-Pro
SciCode44.8%50.6%MiMo-V2.5-Pro
Terminal-Bench Hard (Artificial Analysis run)43.2%43.2%Tie
WeirdML57.1%Not measuredOnly GLM 5.1 measured
ALE-Bench887.1899.8MiMo-V2.5-Pro
LMArena Text: coding14851501MiMo-V2.5-Pro
LMArena Text: software and IT14841495MiMo-V2.5-Pro
LMArena WebDev: React15051469GLM 5.1
LMArena WebDev: HTML15081473GLM 5.1
Neither model has a result on the other 22 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
AA Intelligence Index26.126.0GLM 5.1
Epoch Capabilities Index149.8Not measuredOnly GLM 5.1 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index40
Agentic work benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
AA Agentic Index23.921.3GLM 5.1
Design Arena: agents building web apps1175Not measuredOnly GLM 5.1 measured
Design Arena: agents building full-stack apps1167Not measuredOnly GLM 5.1 measured
Design Arena: agents building mobile apps1162Not measuredOnly GLM 5.1 measured
Design Arena: agents building Android apps1182Not measuredOnly GLM 5.1 measured
Design Arena: agents building Godot games1053Not measuredOnly GLM 5.1 measured
Design Arena: agents building games1164Not measuredOnly GLM 5.1 measured
Design Arena: HTML slides1120Not measuredOnly GLM 5.1 measured
Design Arena: PowerPoint slides1163Not measuredOnly GLM 5.1 measured
Design Arena: spreadsheets1315Not measuredOnly GLM 5.1 measured
Finance Agent (Vals AI)44.8%41.5%GLM 5.1
Tax Agent Bench (Vals AI)Not measured11.5%Only MiMo-V2.5-Pro measured
Legal Research Bench (Vals AI)27.9%15.9%GLM 5.1
Excel Modeling Benchmark (Vals AI)Not measured55.2%Only MiMo-V2.5-Pro measured
τ²-Bench Telecom97.7%94.2%GLM 5.1
APEX-Agents40.9%Not measuredOnly GLM 5.1 measured
Vending-Bench 2$5,634Not measuredOnly GLM 5.1 measured
Neither model has a result on the other 24 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index24
Reasoning benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
GPQA Diamond84.5%82.6%GLM 5.1
GPQA Diamond (Artificial Analysis run)86.8%86.6%GLM 5.1
Humanity's Last Exam (Artificial Analysis run)30.1%35.7%MiMo-V2.5-Pro
GPQA Diamond (Epoch AI run)89.9%Not measuredOnly GLM 5.1 measured
SimpleBench55.1%Not measuredOnly GLM 5.1 measured
Chess puzzles20.0%Not measuredOnly GLM 5.1 measured
LMArena Text: hard prompts14731486MiMo-V2.5-Pro
LMArena Text: expert14781501MiMo-V2.5-Pro
LMArena Text: hard prompts in English14821494MiMo-V2.5-Pro
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
AIME91.9%Not measuredOnly GLM 5.1 measured
OTIS Mock AIME93.3%Not measuredOnly GLM 5.1 measured
FrontierMath, tiers 1 to 336.8%Not measuredOnly GLM 5.1 measured
ProofBench22.2%22.0%GLM 5.1
LMArena Text: math14731481MiMo-V2.5-Pro
LMArena Text: mathematical work14701491MiMo-V2.5-Pro
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index54
Knowledge benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
MMLU Pro86.9%84.6%GLM 5.1
LegalBench (Vals AI)84.4%77.1%GLM 5.1
CaseLaw (Vals AI)51.5%Not measuredOnly GLM 5.1 measured
CorpFin (Vals AI)64.5%61.4%GLM 5.1
TaxEval (Vals AI)71.2%73.8%MiMo-V2.5-Pro
MedCode (Vals AI)41.6%32.5%GLM 5.1
SimpleQA Verified34.0%Not measuredOnly GLM 5.1 measured
LMArena Text: science14781482MiMo-V2.5-Pro
LMArena Text: medicine and healthcare14741473GLM 5.1
LMArena Text: legal and government14651474MiMo-V2.5-Pro
LMArena Text: business and finance14521466MiMo-V2.5-Pro
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index71
Web design benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
Design Arena: websites12901266GLM 5.1
Design Arena: UI components12921246GLM 5.1
Design Arena: game dev12651261GLM 5.1
Design Arena: data viz13661257GLM 5.1
Design Arena: 3D13361243GLM 5.1
Design Arena: all code categories12681265GLM 5.1
Design Arena: SVG12181181GLM 5.1
Design Arena: ASCII art11411156MiMo-V2.5-Pro
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index812
General benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
Public Benefits Bench (Vals AI)61.8%Not measuredOnly GLM 5.1 measured
MedScribe (Vals AI)72.3%83.7%MiMo-V2.5-Pro
IFBench76.3%79.9%MiMo-V2.5-Pro
Long context reasoning (AA-LCR)73.7%79.7%MiMo-V2.5-Pro
DTBenchNot measured84.5%Only MiMo-V2.5-Pro measured
LMCANot measured29.5%Only MiMo-V2.5-Pro measured
ExploitBench18.1%Not measuredOnly GLM 5.1 measured
LMArena Text14631464MiMo-V2.5-Pro
LMArena Text: instruction following14531475MiMo-V2.5-Pro
LMArena Text: creative writing14531438GLM 5.1
LMArena Text: English14761477MiMo-V2.5-Pro
LMArena Text: non-English14481448GLM 5.1
LMArena Text: Chinese15151507GLM 5.1
LMArena Text: German14671459GLM 5.1
LMArena Text: Japanese14351410GLM 5.1
LMArena Text: Korean14241435MiMo-V2.5-Pro
LMArena Text: French14701487MiMo-V2.5-Pro
LMArena Text: Spanish14681469MiMo-V2.5-Pro
LMArena Text: Russian14541449GLM 5.1
LMArena Text: Polish14491464MiMo-V2.5-Pro
LMArena Text: multi-turn14731476MiMo-V2.5-Pro
LMArena Text: longer queries14671481MiMo-V2.5-Pro
LMArena Text: writing and language14541451GLM 5.1
LMArena Text: entertainment and media14421438GLM 5.1
Neither model has a result on the other 22 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GLM 5.1 and MiMo-V2.5-Pro
BenchmarkGLM 5.1MiMo-V2.5-ProLeader
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

GLM 5.1$0.0036Fits in one request
MiMo-V2.5-Pro$0.0009Fits in one request

MiMo-V2.5-Pro costs less

Repository review

50K input + 3K output tokens

GLM 5.1$0.083Fits in one request
MiMo-V2.5-Pro$0.026Fits in one request

MiMo-V2.5-Pro costs less

Agent loop

200K input + 10K output tokens

GLM 5.1$0.324Exceeds the context window
MiMo-V2.5-Pro$0.101Fits in one request

MiMo-V2.5-Pro 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 GLM 5.1 and MiMo-V2.5-Pro
SpecificationZ.ai GLM 5.1Xiaomi MiMo-V2.5-Pro
MakerZ.aiXiaomi
WeightsOpen weightsOpen weights
ReleasedApril 7, 2026April 22, 2026
Context window205K1.05M
Input $/Mtok$1.40$0.4575
Output $/Mtok$4.40$0.9152
Coding index49.231.6
Independent measurements behind it34
Cost per solved task$0.60$0.03
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 5.1 better than MiMo-V2.5-Pro for coding?

Pick GLM 5.1 for coding: it scores 49.2 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro, though on 3 benchmarks against 4. Pick MiMo-V2.5-Pro for output tokens 4.8x cheaper ($0.9152 vs $4.40 per million) and a lower cost per solved task ($0.03 against $0.60).

Which is cheaper, GLM 5.1 or MiMo-V2.5-Pro?

GLM 5.1 costs $1.40 per million input tokens and $4.40 per million output tokens; MiMo-V2.5-Pro costs $0.4575 and $0.9152. Per solved SWE-bench Verified task, GLM 5.1 costs $0.60 and MiMo-V2.5-Pro $0.03.

Which has the bigger context window, GLM 5.1 or MiMo-V2.5-Pro?

MiMo-V2.5-Pro, with 1.05M tokens against 205K.

How many benchmarks is the GLM 5.1 vs MiMo-V2.5-Pro comparison based on?

65 benchmarks have a result for both models as of October 22, 2026. GLM 5.1's coding index rests on 3 independent benchmarks and MiMo-V2.5-Pro's on 4. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/glm-5-1-vs-xiaomi-mimo-v2-5-pro">LLMBenchmark.ai, GLM 5.1 vs MiMo-V2.5-Pro</a></p>