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GLM 5V Turbo vs GPT-5.4

GPT-5.4 leads GLM 5V Turbo on the Artificial Analysis Intelligence Index, 39.0 to 23.5, and GLM 5V Turbo costs 3.8x less per output token ($4.00 vs $15.00 per million). Updated October 22, 2026; 61 benchmarks have a result for both.

Replace GLM 5V Turbo Replace GPT-5.4
GLM 5V TurboZ.ai
Coding
No data
Overall
No data
Output $/M
$4.00
11
GPT-5.4OpenAI
Coding
64.4
Overall
69.6
Output $/M
$15.00
50
vs boards won of 61 shared

GLM 5V Turbo or GPT-5.4: which to pick

Only GPT-5.4 has a coding score, 64.4 on the Vibe Coding Index; GLM 5V Turbo has none, so the two cannot be ranked on coding.

Pick GLM 5V Turbo for output tokens 3.8x cheaper ($4.00 vs $15.00 per million) and work measured by Design Arena: agents building web apps or Design Arena: agents building full-stack apps, where it leads.

Model AGLM 5V TurboZ.aiNot benchmarked1 independent benchmarkNo cost per solved taskModel BGPT-5.4OpenAI64.4/1003 independent benchmarks$1.02 per solved task
Shared results
61
GLM 5V Turbo only
4
GPT-5.4 only
49
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-5.4 64.4 from 3 benchmarks.
Widest category
Agentic work, 15.6 points apart on average over 6 shared benchmarks.
Widest single gap
Design Arena: agents building Android apps: GLM 5V Turbo 1267 against GPT-5.4 1031, 29.5 points apart on a 0 to 100 scale.
Output price
GLM 5V Turbo $4.00 against GPT-5.4 $15.00 per million output tokens, 3.8x apart.
Context window
GLM 5V Turbo takes 203K tokens, GPT-5.4 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-5.4Ties
Coding07
Intelligence01
Agentic work51
Reasoning07
Math02
Knowledge04
Web design62
General026
All shared boards1150
CodingLike-for-likeSix of these boards feed the Vibe Coding Index07
Coding benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
LMArena WebDev14021464GPT-5.4
AA Coding IndexNot measured71.1Only GPT-5.4 measured
LiveCodeBench (Vals AI)Not measured84.1%Only GPT-5.4 measured
SWE-bench Verified (Vals AI)Not measured78.2%Only GPT-5.4 measured
Vibe Code Bench (Vals AI)Not measured67.4%Only GPT-5.4 measured
Code migration (Vals AI)Not measured35.0%Only GPT-5.4 measured
ProgramBench (Vals AI)Not measured0.5%Only GPT-5.4 measured
SkillsBench (Vals AI)Not measured51.7%Only GPT-5.4 measured
Terminal-Bench Hard (Artificial Analysis run)32.6%57.6%GPT-5.4
Terminal-BenchNot measured81.8%Only GPT-5.4 measured
GSO-BenchNot measured31.4%Only GPT-5.4 measured
WeirdMLNot measured77.7%Only GPT-5.4 measured
MirrorCodeNot measured15.6%Only GPT-5.4 measured
ALE-BenchNot measured1607.0Only GPT-5.4 measured
LMArena Text: coding14661496GPT-5.4
LMArena Text: software and IT14601491GPT-5.4
LMArena WebDev: React13861454GPT-5.4
LMArena WebDev: HTML13561478GPT-5.4
LMArena WebDev: from an image14251436GPT-5.4
Neither model has a result on the other 20 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
AA Intelligence Index23.539.0GPT-5.4
Epoch Capabilities IndexNot measured157.3Only GPT-5.4 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index51
Agentic work benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
Design Arena: agents building web apps11241059GLM 5V Turbo
Design Arena: agents building full-stack apps11491017GLM 5V Turbo
Design Arena: agents building mobile apps11341087GLM 5V Turbo
Design Arena: agents building Android apps12671031GLM 5V Turbo
Design Arena: agents building Godot games9571135GPT-5.4
Design Arena: agents building games1102Not measuredOnly GLM 5V Turbo measured
Design Arena: HTML slides1070Not measuredOnly GLM 5V Turbo measured
Design Arena: PowerPoint slides1127Not measuredOnly GLM 5V Turbo measured
τ²-Bench Telecom98.5%87.1%GLM 5V Turbo
APEX-AgentsNot measured52.4%Only GPT-5.4 measured
METR time horizonsNot measured74.3%Only GPT-5.4 measured
DeepResearch BenchNot measured35.1%Only GPT-5.4 measured
PostTrainBenchNot measured19.0%Only GPT-5.4 measured
Vending-Bench 2Not measured$6,144Only GPT-5.4 measured
Neither model has a result on the other 27 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index07
Reasoning benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
GPQA DiamondNot measured91.7%Only GPT-5.4 measured
MMMU Pro (Vals AI)Not measured87.5%Only GPT-5.4 measured
GPQA Diamond (Artificial Analysis run)80.9%92.0%GPT-5.4
Humanity's Last Exam (Artificial Analysis run)17.1%43.7%GPT-5.4
GPQA Diamond (Epoch AI run)Not measured93.3%Only GPT-5.4 measured
ARC-AGINot measured93.7%Only GPT-5.4 measured
ARC-AGI-2Not measured74.0%Only GPT-5.4 measured
Chess puzzlesNot measured48.0%Only GPT-5.4 measured
Mystery game puzzlesNot measured37.0%Only GPT-5.4 measured
EBR-benchNot measured25.4%Only GPT-5.4 measured
LMArena Text: hard prompts14431485GPT-5.4
LMArena Text: expert14531507GPT-5.4
LMArena Text: hard prompts in English14561479GPT-5.4
LMArena Vision: diagrams12861327GPT-5.4
LMArena Vision: homework12731336GPT-5.4
Kagi LLM BenchmarkNot measured63.8%Only GPT-5.4 measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
AIMENot measured96.7%Only GPT-5.4 measured
OTIS Mock AIMENot measured97.8%Only GPT-5.4 measured
FrontierMath, tiers 1 to 3Not measured78.6%Only GPT-5.4 measured
FrontierMath, tier 4Not measured49.0%Only GPT-5.4 measured
ProofBenchNot measured56.0%Only GPT-5.4 measured
LMArena Text: math14421488GPT-5.4
LMArena Text: mathematical work14471497GPT-5.4
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
MMLU ProNot measured87.5%Only GPT-5.4 measured
LegalBench (Vals AI)Not measured86.0%Only GPT-5.4 measured
CaseLaw (Vals AI)Not measured63.8%Only GPT-5.4 measured
CorpFin (Vals AI)Not measured65.3%Only GPT-5.4 measured
TaxEval (Vals AI)Not measured74.0%Only GPT-5.4 measured
MortgageTax (Vals AI)Not measured68.3%Only GPT-5.4 measured
MedQA (Vals AI)Not measured96.1%Only GPT-5.4 measured
MedCode (Vals AI)Not measured41.3%Only GPT-5.4 measured
SimpleQA VerifiedNot measured45.1%Only GPT-5.4 measured
LMArena Text: science14481479GPT-5.4
LMArena Text: medicine and healthcare14331458GPT-5.4
LMArena Text: legal and government14361486GPT-5.4
LMArena Text: business and finance14351474GPT-5.4
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index62
Web design benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
Design Arena: websites12301198GLM 5V Turbo
Design Arena: UI components12101212GPT-5.4
Design Arena: game dev12181194GLM 5V Turbo
Design Arena: data viz12021196GLM 5V Turbo
Design Arena: 3D12081065GLM 5V Turbo
Design Arena: all code categories12281179GLM 5V Turbo
Design Arena: SVG11511141GLM 5V Turbo
Design Arena: ASCII art11171188GPT-5.4
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index026
General benchmarks for GLM 5V Turbo and GPT-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
SAGE (Vals AI)Not measured43.3%Only GPT-5.4 measured
MedScribe (Vals AI)Not measured77.5%Only GPT-5.4 measured
IFBench61.1%73.9%GPT-5.4
Long context reasoning (AA-LCR)70.3%82.0%GPT-5.4
DTBenchNot measured94.4%Only GPT-5.4 measured
LMCANot measured52.0%Only GPT-5.4 measured
CL-benchNot measured27.9%Only GPT-5.4 measured
Furniture assemblyNot measured37.5%Only GPT-5.4 measured
CL-bench LifeNot measured21.7%Only GPT-5.4 measured
LMArena Text14371469GPT-5.4
LMArena Text: instruction following14231469GPT-5.4
LMArena Text: creative writing14171439GPT-5.4
LMArena Vision12641303GPT-5.4
LMArena Text: English14541467GPT-5.4
LMArena Text: non-English14201465GPT-5.4
LMArena Text: Chinese14911520GPT-5.4
LMArena Text: German14221472GPT-5.4
LMArena Text: JapaneseNot measured1485Only GPT-5.4 measured
LMArena Text: Korean13971449GPT-5.4
LMArena Text: French14431493GPT-5.4
LMArena Text: Spanish14521452GPT-5.4
LMArena Text: Russian14321480GPT-5.4
LMArena Text: Polish14321472GPT-5.4
LMArena Text: multi-turn14311482GPT-5.4
LMArena Text: longer queries14381473GPT-5.4
LMArena Text: writing and language14201458GPT-5.4
LMArena Text: entertainment and media14071438GPT-5.4
LMArena Vision: English12741301GPT-5.4
LMArena Vision: Chinese13291354GPT-5.4
LMArena Vision: reading text12701312GPT-5.4
LMArena Vision: humor12681284GPT-5.4
LMArena Vision: captioning1264Not measuredOnly GLM 5V Turbo measured
LMArena Vision: recognizing things12411251GPT-5.4
LMArena Vision: creative writing12521283GPT-5.4
LMArena Document14161471GPT-5.4
Neither model has a result on the other 11 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-5.4
BenchmarkGLM 5V TurboGPT-5.4Leader
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-5.4$0.010Fits in one request

GLM 5V Turbo costs less

Repository review

50K input + 3K output tokens

GLM 5V Turbo$0.072Fits in one request
GPT-5.4$0.170Fits in one request

GLM 5V Turbo costs less

Agent loop

200K input + 10K output tokens

GLM 5V Turbo$0.280Exceeds the context window
GPT-5.4$0.650Fits in one request

GLM 5V Turbo 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-5.4
SpecificationZ.ai GLM 5V TurboOpenAI GPT-5.4
MakerZ.aiOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 1, 2026March 5, 2026
Context window203K1.05M
Input $/Mtok$1.20$2.50
Output $/Mtok$4.00$15.00
Coding indexNot benchmarked64.4
Independent measurements behind it13
Cost per solved taskNot computable$1.02
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 5V Turbo better than GPT-5.4 for coding?

Only GPT-5.4 has a coding score, 64.4 on the Vibe Coding Index; GLM 5V Turbo has none, so the two cannot be ranked on coding. Pick GLM 5V Turbo for output tokens 3.8x cheaper ($4.00 vs $15.00 per million) and work measured by Design Arena: agents building web apps or Design Arena: agents building full-stack apps, where it leads.

Which is cheaper, GLM 5V Turbo or GPT-5.4?

GLM 5V Turbo costs $1.20 per million input tokens and $4.00 per million output tokens; GPT-5.4 costs $2.50 and $15.00. Cost per solved task is known for GPT-5.4 only.

Which has the bigger context window, GLM 5V Turbo or GPT-5.4?

GPT-5.4, with 1.05M tokens against 203K.

How many benchmarks is the GLM 5V Turbo vs GPT-5.4 comparison based on?

61 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-5.4's on 3. Where only one model has a result, the page says so instead of naming a winner.

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