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GLM 5V Turbo vs GPT-4.1 Nano

GLM 5V Turbo leads GPT-4.1 Nano on the Artificial Analysis Intelligence Index, 23.5 to 7.8, and GPT-4.1 Nano costs 10.0x less per output token ($0.40 vs $4.00 per million). Updated October 22, 2026; 38 benchmarks have a result for both.

Replace GLM 5V Turbo Replace GPT-4.1 Nano
GLM 5V TurboZ.ai
Coding
No data
Overall
No data
Output $/M
$4.00
38
GPT-4.1 NanoOpenAI
Coding
No data
Overall
24.7
Output $/M
$0.40
0
vs boards won of 38 shared

GLM 5V Turbo or GPT-4.1 Nano: which to pick

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

Compare them on price, context and the boards below.

Model AGLM 5V TurboZ.aiNot benchmarked1 independent benchmarkNo cost per solved taskModel BGPT-4.1 NanoOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
38
GLM 5V Turbo only
27
GPT-4.1 Nano only
33
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 5V Turbo not benchmarked, GPT-4.1 Nano not benchmarked.
Widest category
Agentic work, 81.3 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: GLM 5V Turbo 98.5% against GPT-4.1 Nano 17.3%, 81.3 points apart on a 0 to 100 scale.
Output price
GLM 5V Turbo $4.00 against GPT-4.1 Nano $0.40 per million output tokens, 10.0x apart.
Context window
GLM 5V Turbo takes 203K tokens, GPT-4.1 Nano 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 5V TurboBarsGPT-4.1 NanoTies
Coding30
Intelligence10
Agentic work10
Reasoning50
Math20
Knowledge40
Web design60
General160
All shared boards380
CodingLike-for-likeSix of these boards feed the Vibe Coding Index30
Coding benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
Aider polyglotNot measured8.9%Only GPT-4.1 Nano measured
LMArena WebDev1402Not measuredOnly GLM 5V Turbo measured
AA Coding IndexNot measured11.1Only GPT-4.1 Nano measured
LiveCodeBench (Vals AI)Not measured42.7%Only GPT-4.1 Nano measured
LiveCodeBench (Artificial Analysis run)Not measured32.6%Only GPT-4.1 Nano measured
Terminal-Bench Hard (Artificial Analysis run)32.6%3.8%GLM 5V Turbo
WeirdMLNot measured19.0%Only GPT-4.1 Nano measured
LMArena Text: coding14661306GLM 5V Turbo
LMArena Text: software and IT14601305GLM 5V Turbo
LMArena WebDev: React1386Not measuredOnly GLM 5V Turbo measured
LMArena WebDev: HTML1356Not measuredOnly GLM 5V Turbo measured
LMArena WebDev: from an image1425Not measuredOnly GLM 5V Turbo measured
Neither model has a result on the other 31 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
AA Intelligence Index23.57.8GLM 5V Turbo
Epoch Capabilities IndexNot measured129.5Only GPT-4.1 Nano measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
Design Arena: agents building web apps1124Not measuredOnly GLM 5V Turbo measured
Design Arena: agents building full-stack apps1149Not measuredOnly GLM 5V Turbo measured
Design Arena: agents building mobile apps1134Not measuredOnly GLM 5V Turbo measured
Design Arena: agents building Android apps1267Not measuredOnly GLM 5V Turbo measured
Design Arena: agents building Godot games957Not measuredOnly GLM 5V Turbo measured
Design Arena: agents building games1102Not measuredOnly GLM 5V Turbo measured
Design Arena: HTML slides1060Not measuredOnly GLM 5V Turbo measured
Design Arena: PowerPoint slides1126Not measuredOnly GLM 5V Turbo measured
τ²-Bench Telecom98.5%17.3%GLM 5V Turbo
Berkeley Function Calling Leaderboard (BFCL)Not measured33.1%Only GPT-4.1 Nano measured
Neither model has a result on the other 32 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
Reasoning benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
GPQA DiamondNot measured50.8%Only GPT-4.1 Nano measured
MMMU Pro (Vals AI)Not measured55.0%Only GPT-4.1 Nano measured
GPQA Diamond (Artificial Analysis run)80.9%51.2%GLM 5V Turbo
Humanity's Last Exam (Artificial Analysis run)17.1%3.8%GLM 5V Turbo
GPQA Diamond (Epoch AI run)Not measured48.9%Only GPT-4.1 Nano measured
ARC-AGINot measured0.0%Only GPT-4.1 Nano measured
ARC-AGI-2Not measured0.0%Only GPT-4.1 Nano measured
Chess puzzlesNot measured0.0%Only GPT-4.1 Nano measured
LMArena Text: hard prompts14431286GLM 5V Turbo
LMArena Text: expert14531271GLM 5V Turbo
LMArena Text: hard prompts in English14561293GLM 5V Turbo
LMArena Vision: diagrams1286Not measuredOnly GLM 5V Turbo measured
LMArena Vision: homework1273Not measuredOnly GLM 5V Turbo measured
Kagi LLM BenchmarkNot measured33.3%Only GPT-4.1 Nano measured
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
AIMENot measured26.5%Only GPT-4.1 Nano measured
MATH 500 (Vals AI)Not measured80.2%Only GPT-4.1 Nano measured
MGSM (Vals AI)Not measured69.3%Only GPT-4.1 Nano measured
AA Math IndexNot measured24.0Only GPT-4.1 Nano measured
AIME 2025 (Artificial Analysis run)Not measured24.0%Only GPT-4.1 Nano measured
OTIS Mock AIMENot measured28.9%Only GPT-4.1 Nano measured
MATH level 5Not measured70.0%Only GPT-4.1 Nano measured
LMArena Text: math14421274GLM 5V Turbo
LMArena Text: mathematical work14471274GLM 5V Turbo
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
MMLU ProNot measured63.5%Only GPT-4.1 Nano measured
LegalBench (Vals AI)Not measured61.1%Only GPT-4.1 Nano measured
CorpFin (Vals AI)Not measured42.1%Only GPT-4.1 Nano measured
TaxEval (Vals AI)Not measured60.8%Only GPT-4.1 Nano measured
MortgageTax (Vals AI)Not measured52.8%Only GPT-4.1 Nano measured
MedQA (Vals AI)Not measured68.2%Only GPT-4.1 Nano measured
MMLU Pro (Artificial Analysis run)Not measured65.7%Only GPT-4.1 Nano measured
SimpleQA VerifiedNot measured6.0%Only GPT-4.1 Nano measured
LMArena Text: science14481297GLM 5V Turbo
LMArena Text: medicine and healthcare14331276GLM 5V Turbo
LMArena Text: legal and government14361300GLM 5V Turbo
LMArena Text: business and finance14351267GLM 5V Turbo
Neither model has a result on the other 8 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
Design Arena: websites1230973GLM 5V Turbo
Design Arena: UI components1210913GLM 5V Turbo
Design Arena: game dev1218970GLM 5V Turbo
Design Arena: data viz1202891GLM 5V Turbo
Design Arena: 3D1208924GLM 5V Turbo
Design Arena: all code categories1227962GLM 5V Turbo
Design Arena: SVG1150Not measuredOnly GLM 5V Turbo measured
Design Arena: ASCII art1116Not measuredOnly GLM 5V Turbo measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index160
General benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
IFBench61.1%32.0%GLM 5V Turbo
Long context reasoning (AA-LCR)70.3%20.3%GLM 5V Turbo
DTBenchNot measured52.5%Only GPT-4.1 Nano measured
LMCANot measured5.5%Only GPT-4.1 Nano measured
Fiction.LiveBenchNot measured25.0%Only GPT-4.1 Nano measured
LMArena Text14371285GLM 5V Turbo
LMArena Text: instruction following14231266GLM 5V Turbo
LMArena Text: creative writing14171260GLM 5V Turbo
LMArena Vision12641063GLM 5V Turbo
LMArena Text: English14541303GLM 5V Turbo
LMArena Text: non-English14201260GLM 5V Turbo
LMArena Text: Chinese14911270GLM 5V Turbo
LMArena Text: German14221288GLM 5V Turbo
LMArena Text: JapaneseNot measured1198Only GPT-4.1 Nano measured
LMArena Text: Korean1397Not measuredOnly GLM 5V Turbo measured
LMArena Text: French1443Not measuredOnly GLM 5V Turbo measured
LMArena Text: Spanish1452Not measuredOnly GLM 5V Turbo measured
LMArena Text: Russian14321261GLM 5V Turbo
LMArena Text: Polish1432Not measuredOnly GLM 5V Turbo measured
LMArena Text: multi-turn14311277GLM 5V Turbo
LMArena Text: longer queries14381283GLM 5V Turbo
LMArena Text: writing and language14201261GLM 5V Turbo
LMArena Text: entertainment and media14071243GLM 5V Turbo
LMArena Vision: English12741101GLM 5V Turbo
LMArena Vision: Chinese1329Not measuredOnly GLM 5V Turbo measured
LMArena Vision: reading text1270Not measuredOnly GLM 5V Turbo measured
LMArena Vision: humor1268Not measuredOnly GLM 5V Turbo measured
LMArena Vision: captioning1264Not measuredOnly GLM 5V Turbo measured
LMArena Vision: recognizing things1241Not measuredOnly GLM 5V Turbo measured
LMArena Vision: creative writing1252Not measuredOnly GLM 5V Turbo measured
LMArena Document1416Not measuredOnly GLM 5V Turbo measured
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GLM 5V Turbo and GPT-4.1 Nano
BenchmarkGLM 5V TurboGPT-4.1 NanoLeader
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 5V Turbo$0.0032Fits in one request
GPT-4.1 Nano$0.0003Fits in one request

GPT-4.1 Nano costs less

Repository review

50K input + 3K output tokens

GLM 5V Turbo$0.072Fits in one request
GPT-4.1 Nano$0.0062Fits in one request

GPT-4.1 Nano costs less

Agent loop

200K input + 10K output tokens

GLM 5V Turbo$0.280Exceeds the context window
GPT-4.1 Nano$0.024Fits in one request

GPT-4.1 Nano 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 5V Turbo and GPT-4.1 Nano
SpecificationZ.ai GLM 5V TurboOpenAI GPT-4.1 Nano
MakerZ.aiOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 1, 2026April 14, 2025
Context window203K1.05M
Input $/Mtok$1.20$0.10
Output $/Mtok$4.00$0.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 5V Turbo better than GPT-4.1 Nano for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Compare them on price, context and the boards below.

Which is cheaper, GLM 5V Turbo or GPT-4.1 Nano?

GLM 5V Turbo costs $1.20 per million input tokens and $4.00 per million output tokens; GPT-4.1 Nano costs $0.10 and $0.40. Cost per solved task is known for neither of them.

Which has the bigger context window, GLM 5V Turbo or GPT-4.1 Nano?

GPT-4.1 Nano, with 1.05M tokens against 203K.

How many benchmarks is the GLM 5V Turbo vs GPT-4.1 Nano comparison based on?

38 benchmarks have a result for both models as of October 22, 2026. GLM 5V Turbo's coding index rests on 1 independent benchmark and GPT-4.1 Nano's on 0. Where only one model has a result, the page says so instead of naming a winner.

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