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GLM 4.7 Flash vs o3 Mini

Updated October 21, 2026. 36 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace GLM 4.7 Flash Replace o3 Mini
GLM 4.7 FlashZ.ai
Coding
No data
Overall
14.9
Output $/M
$0.40
21
o3 MiniOpenAI
Coding
No data
Overall
12.5
Output $/M
$4.40
15
vs boards won of 36 shared

Decision reading

Neither model has a coding score yet, so the two cannot be ranked on coding.

GLM 4.7 Flash has the edge where output tokens cost 11.0x less, and where what matters is GPQA Diamond (Artificial Analysis run) or Humanity's Last Exam (Artificial Analysis run), where it leads.

Model AGLM 4.7 FlashZ.aiNot benchmarkedNo coding benchmarkNo cost per solved taskModel Bo3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
36
GLM 4.7 Flash only
7
o3 Mini only
34
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
GLM 4.7 Flash not benchmarked, o3 Mini not benchmarked.
Widest category
Agentic work, 67.5 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: GLM 4.7 Flash 98.8% against o3 Mini 31.3%, 67.5 points apart on a 0 to 100 scale.
Output price
GLM 4.7 Flash $0.40 against o3 Mini $4.40 per million output tokens, 11.0x apart.
Context window
Both take 200K tokens.

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 4.7 FlashBarso3 MiniTies
Coding30
Intelligence10
Agentic work10
Reasoning06
Math03
Knowledge40
General126
All shared boards2115
CodingLike-for-likeSix of these boards feed the Vibe Coding Index30
Coding benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
Aider polyglotNot measured60.4%Only o3 Mini measured
SWE-bench VerifiedNot measured42.4%Only o3 Mini measured
SWE-bench LiteNot measured32.3%Only o3 Mini measured
LiveCodeBench (Vals AI)Not measured71.5%Only o3 Mini measured
LiveCodeBench (Artificial Analysis run)Not measured73.4%Only o3 Mini measured
SciCodeNot measured42.8%Only o3 Mini measured
Terminal-Bench Hard (Artificial Analysis run)22.0%6.8%GLM 4.7 Flash
GSO-BenchNot measured1.3%Only o3 Mini measured
WeirdMLNot measured43.7%Only o3 Mini measured
CybenchNot measured22.5%Only o3 Mini measured
LMArena Text: coding13821378GLM 4.7 Flash
LMArena Text: software and IT13891364GLM 4.7 Flash
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
AA Intelligence Index14.912.5GLM 4.7 Flash
Epoch Capabilities IndexNot measured140.2Only o3 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
τ²-Bench Telecom98.8%31.3%GLM 4.7 Flash
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
Reasoning benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
GPQA DiamondNot measured75.5%Only o3 Mini measured
GPQA Diamond (Artificial Analysis run)58.1%77.3%o3 Mini
Humanity's Last Exam (Artificial Analysis run)7.6%12.0%o3 Mini
GPQA Diamond (Epoch AI run)60.5%77.0%o3 Mini
ARC-AGINot measured34.5%Only o3 Mini measured
ARC-AGI-2Not measured3.0%Only o3 Mini measured
SimpleBenchNot measured22.8%Only o3 Mini measured
Chess puzzlesNot measured15.0%Only o3 Mini measured
Mystery game puzzlesNot measured7.0%Only o3 Mini measured
LMArena Text: hard prompts13561365o3 Mini
LMArena Text: expert13571364o3 Mini
LMArena Text: hard prompts in English13691375o3 Mini
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
AIMENot measured86.5%Only o3 Mini measured
MATH 500 (Vals AI)Not measured91.8%Only o3 Mini measured
MGSM (Vals AI)Not measured91.3%Only o3 Mini measured
OTIS Mock AIME58.3%76.9%o3 Mini
FrontierMath, tiers 1 to 3Not measured18.6%Only o3 Mini measured
FrontierMath, tier 4Not measured0.0%Only o3 Mini measured
MATH level 5Not measured96.5%Only o3 Mini measured
LMArena Text: math13551396o3 Mini
LMArena Text: mathematical work13691399o3 Mini
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
MMLU ProNot measured78.7%Only o3 Mini measured
LegalBench (Vals AI)Not measured71.5%Only o3 Mini measured
CorpFin (Vals AI)Not measured45.3%Only o3 Mini measured
TaxEval (Vals AI)Not measured69.4%Only o3 Mini measured
MedQA (Vals AI)Not measured94.8%Only o3 Mini measured
MMLU Pro (Artificial Analysis run)Not measured80.2%Only o3 Mini measured
SimpleQA VerifiedNot measured15.3%Only o3 Mini measured
LMArena Text: science13581339GLM 4.7 Flash
LMArena Text: medicine and healthcare13431330GLM 4.7 Flash
LMArena Text: legal and government13571328GLM 4.7 Flash
LMArena Text: business and finance13431313GLM 4.7 Flash
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
Design Arena: websites1194Not measuredOnly GLM 4.7 Flash measured
Design Arena: UI components1208Not measuredOnly GLM 4.7 Flash measured
Design Arena: game dev1135Not measuredOnly GLM 4.7 Flash measured
Design Arena: data viz1123Not measuredOnly GLM 4.7 Flash measured
Design Arena: 3D1121Not measuredOnly GLM 4.7 Flash measured
Design Arena: all code categories1178Not measuredOnly GLM 4.7 Flash measured
Design Arena: SVG1038Not measuredOnly GLM 4.7 Flash measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index126
General benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
IFBench60.8%67.1%o3 Mini
Long context reasoning (AA-LCR)41.7%43.0%o3 Mini
DTBenchNot measured68.8%Only o3 Mini measured
LMCANot measured19.0%Only o3 Mini measured
Fiction.LiveBenchNot measured50.0%Only o3 Mini measured
Creative writing (Lech Mazur)Not measured61.7%Only o3 Mini measured
LMArena Text13511337GLM 4.7 Flash
LMArena Text: instruction following13271337o3 Mini
LMArena Text: creative writing12961286GLM 4.7 Flash
LMArena Text: English13731351GLM 4.7 Flash
LMArena Text: non-English13301319GLM 4.7 Flash
LMArena Text: Chinese14031379GLM 4.7 Flash
LMArena Text: German13361303GLM 4.7 Flash
LMArena Text: JapaneseNot measured1286Only o3 Mini measured
LMArena Text: Korean12831313o3 Mini
LMArena Text: French13321334o3 Mini
LMArena Text: Spanish13501321GLM 4.7 Flash
LMArena Text: Russian13331304GLM 4.7 Flash
LMArena Text: Polish12911294o3 Mini
LMArena Text: multi-turn13421320GLM 4.7 Flash
LMArena Text: longer queries13451343GLM 4.7 Flash
LMArena Text: writing and language13201313GLM 4.7 Flash
LMArena Text: entertainment and media13041283GLM 4.7 Flash
Neither model has a result on the other 23 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GLM 4.7 Flash and o3 Mini
BenchmarkGLM 4.7 Flasho3 MiniLeader
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 4.7 Flash$0.0003Fits in one request
o3 Mini$0.0033Fits in one request

GLM 4.7 Flash costs less

Repository review

50K input + 3K output tokens

GLM 4.7 Flash$0.0045Fits in one request
o3 Mini$0.068Fits in one request

GLM 4.7 Flash costs less

Agent loop

200K input + 10K output tokens

GLM 4.7 Flash$0.017Exceeds the context window
o3 Mini$0.264Exceeds the context window

GLM 4.7 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 GLM 4.7 Flash and o3 Mini
SpecificationZ.ai GLM 4.7 FlashOpenAI o3 Mini
MakerZ.aiOpenAI
WeightsOpen weightsNo public weights listed
ReleasedJanuary 19, 2026January 31, 2025
Context window200K200K
Input $/Mtok$0.0653$1.10
Output $/Mtok$0.40$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 4.7 Flash better than o3 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. GLM 4.7 Flash has the edge where output tokens cost 11.0x less, and where what matters is GPQA Diamond (Artificial Analysis run) or Humanity's Last Exam (Artificial Analysis run), where it leads.

Which is cheaper, GLM 4.7 Flash or o3 Mini?

GLM 4.7 Flash costs $0.0653 per million input tokens and $0.40 per million output tokens; o3 Mini costs $1.10 and $4.40. Cost per solved task is known for neither of them.

Which has the bigger context window, GLM 4.7 Flash or o3 Mini?

Neither: both take 200K tokens.

How many benchmarks is the GLM 4.7 Flash vs o3 Mini comparison based on?

36 benchmarks have a result for both models as of October 21, 2026. GLM 4.7 Flash's coding index rests on 0 independent benchmarks and o3 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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