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AnthropicZ.aiLLM matchup

Claude Haiku 5.5vs.GLM-5.2

Which one is better?

Claude Haiku 5.5 performs better than GLM-5.2 and is cheaper: GLM-5.2 costs 14 times (input) and 8.8 times (output) as much.

Haiku 5.5 ahead
IntelligenceOverall index, 100 points = average
103.4

Claude Haiku 5.5

Rank 20

88.8

GLM-5.2

Rank 42

Haiku 5.5 faster
SpeedTokens per second
236

Claude Haiku 5.5

85

GLM-5.2

Haiku 5.5 cheaper
Price$ per 1M tokens
$0.20

Claude Haiku 5.5

$2.15

GLM-5.2

Haiku 5.5 more popular
Popularity0 to 100
77

Claude Haiku 5.5

Rank 3 of 875

52

GLM-5.2

Rank 87 of 875

Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens.

Choose Claude Haiku 5.5 for

HealthGeneralReasoningCodingAgentsMathematicsFinanceLegal (not certain)

Choose GLM-5.2 for

No clear advantage

Where is the difference?

Strengths at a glance

Haiku 5.5GLM-5.2

The median of all ranked models is below 100 in every area, so it sits in the centre of the net.

105110100CodingHaiku 5.5ReasoningHaiku 5.5MathematicsHaiku 5.5KnowledgelevelAgentsHaiku 5.5GeneralHaiku 5.5FinanceHaiku 5.5Legalslightly Haiku 5.5HealthHaiku 5.5
CodingHaiku 5.5 ahead
Haiku 5.5106.2Rank 18
GLM-5.288.9Rank 51
Median of ranked models83.7

95 % range: Haiku 5.5 102.5 to 109.9, GLM-5.2 80.2 to 97.6.

AreaHaiku 5.5GLM-5.2

The same values and verdicts as the bars below. In the top field the net starts at 100 points, the reference group average; values below sit as a hollow point in the centre. Not in the net because a model has no own value there or the data are too thin: Multimodal.

Haiku 5.5 is ahead in 7 of 9 areas, GLM-5.2 in none.

Haiku 5.5 ahead: 7Haiku 5.5 slightly ahead: 1level: 1

Areas in the overall index
GeneralHaiku 5.5 +18106.4 to 88.1
ReasoningHaiku 5.5 +18105.2 to 87.3
CodingHaiku 5.5 +17106.2 to 88.9
AgentsHaiku 5.5 +17106.1 to 89.6
MathematicsHaiku 5.5 +15107.1 to 91.6
Knowledgelevel85.5 to 84.3
Specialist fields
HealthHaiku 5.5 +21108.9 to 87.6
FinanceHaiku 5.5 +12104.7 to 93.1
Legalleaning Haiku 5.5not certain · 3 and 2 tests

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Show 3 more areas that do not count toward the overall index
Cybersecurityonly Haiku 5.5 has a score
Productivityonly Haiku 5.5 has a score
Educationonly Haiku 5.5 has a score

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Which model for which task?

Everyday tasks, translated from the area values above. Each row names the values it rests on.

Writing and debugging codeHaiku 5.5Coding 106.2 to 88.9
Maths and data analysisHaiku 5.5Mathematics 107.1 to 91.6, Reasoning 105.2 to 87.3
Facts and researchlevelKnowledge 85.5 to 84.3
Agents and workflowsHaiku 5.5Agents 106.1 to 89.6
Fast chat repliesHaiku 5.5236 to 85 tokens per second
Security analysisopenCybersecurity without a score for GLM-5.2
Many requests on a small budgetHaiku 5.5$0.20 to $2.15 per 1M tokens
Finance, legal and medical textsHaiku 5.5Finance 104.7 to 93.1, Legal 94.4 to 90.7, Health 108.9 to 87.6

See for yourself: same task, one attempt

SVG short test

One SVG task with the same fixed settings for every model, without hidden thinking.

Prompt

Return only one standalone SVG of a pelican riding a bicycle. Use viewBox="0 0 800 600", simple shapes, two clearly visible wheels and a recognizable pelican with a long beak. At most 30 SVG elements and 1800 characters. No Markdown, explanations, comments, scripts, animation, CSS or external resources.

Claude Haiku 5.5

Unavailable in this round

GLM-5.2

GLM-5.2: SVG short test

Oct 14, 2026 · $0.0037

Test details
Test run
Oct 14, 2026
Provider
z-ai/fp8
API model
z-ai/glm-5.2
Output
826 tokens
Reasoning
API reports 0 reasoning tokens
Cost of the attempt
$0.0037
Test round
43b8c5c46830
Earlier tests

Pelican on a bicycle

Prompt

Generate an SVG of a pelican riding a bicycle

Task origin: Simon Willison

Claude Haiku 5.5

Not tested yet

GLM-5.2

Output withheld for safety

Oct 5, 2026 · 31 s · $0.01

Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.

Test details
Run date
Oct 5, 2026
API provider
openrouter
Requested API model
z-ai/glm-5.2
Reasoning setting
high
Token limit including reasoning
8,192 tokens
Output tokens
3,129 tokens
Cost of the attempt
$0.0138
Response time
31.4 s
API model reported in response
z-ai/glm-5.2
Pinned endpoint
Z.AI | z-ai/glm-5.2-20260616
Temperature
Provider default
Test protocol
community-visual-tests-v1
Technical checks
Failed

Earlier attempts (3)

  • Oct 2, 2026API request failedReasoning setting: high
  • Oct 1, 2026API request failedReasoning setting: high
  • Sep 7, 2026API request failedReasoning setting: high

Claude Haiku 5.5 and GLM-5.2 in the overall index

Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.

Overall index (Gradually Meta-Score v4)

20 of 91 models

4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.

Claude Opus 5.5max126.1
Gemini 4 Carbonhigh125.7
Claude Fable 5.1max123.8
Claude Sonnet 5.5max122.8
Gemini 4 Argonhigh122.3
GPT-6 Astramax121.3
GPT-6.1 Solmax119.2
Muse Wonder Fullmax118.3
Claude Opus 5max117.2
Muse Wondermax113.4
Kimi K3.1 Promax112.9
Claude Fable 5max112.5
GPT-6 Solmax110.6
GPT-5.6 Solmax108.7
Muse Spark 1.3max107.4
Gemini 3.7 Flashhigh107.1
DeepSeek V4.1 Flash 1017max106.6
Gemini 3.8 Flashhigh106.5
Claude Haiku 5.5max103.4
GLM-5.2max88.8

Popularity compared

How often the models are searched for, used and mentioned, on a scale from 0 to 100.

Claude Haiku 5.5 is more popular than GLM-5.2: 77 to 52 out of 100.

Over time

Weekly values from October 18, 2026 to November 5, 2026

Claude Haiku 5.5GLM-5.2

All data side by side

The better value is bold. For the overall index only when the gap is clear.

MetricClaude Haiku 5.5GLM-5.2
Intelligence
Overall indexpoints, 100 = reference group average, higher is better103.488.8
RankRank 20 of 91Rank 42 of 91
Price per 1M tokens
Inputwhat you send$0.10above 100,000 tokens: $0.50$1.40
Outputwhat the model writes$0.50above 100,000 tokens: $2.50$4.40
Speed
Tokens per second23685
Popularity
Popularitysearch, usage and mentions, 0 to 10077Rank 3 of 87552Rank 87 of 875
Technical
Context windowhow much text the model reads at once1 M tokens≈ 1,500 A4 pages1 M tokens≈ 1,500 A4 pages
Knowledge cutoffJune 2026n/a
ReleasedOct 7, 2026Jun 16, 2026
AvailabilityActiveOpen Source
Open weightsnoyes

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Is there a better choice?

Successor of GLM-5.2GLM-5.3

Overall index 100.7, rank 27. $1.40 input and $4.40 output per 1M tokens.

Haiku 5.5 vs. GLM-5.3
Cheaper than Haiku 5.5MiMo V2.6 Flash

Overall index 98.3, rank 31. $0.14 input and $0.28 output per 1M tokens.

View profile
Best model in the overall indexClaude Opus 5.5

Overall index 126.1, rank 1. $4 input and $20 output per 1M tokens.

Haiku 5.5 vs. Claude Opus 5.5

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: Claude Haiku 5.5B: GLM-5.2

AA-Omniscience AccuracyOverall · higher is betterClaude Haiku 5.5: 34.7%GLM-5.2: 21.1%Artificial AnalysisAs of 11/06/2026
AA-Omniscience Hallucination RateOverall · lower is betterClaude Haiku 5.5: 34.2%GLM-5.2: 25.9%Artificial AnalysisAs of 11/06/2026
Code MigrationOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 44.6%GLM-5.2: 37.9%Vals AIAs of 10/29/2026
EMBOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 59%GLM-5.2: 61.5%Vals AIAs of 10/20/2026
Finance Agent (v2)Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 54.1%GLM-5.2: 49.7%Vals AIAs of 10/29/2026
GDPval-AAOverall · higher is betterClaude Haiku 5.5: 1,630.83 eloGLM-5.2: 1,381.49 eloArtificial AnalysisAs of 11/06/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 43.8%GLM-5.2: 31.3%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,589GLM-5.2: 1,606LMArenaAs of 10/28/2026
LMArena Text, Style ControlOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,425GLM-5.2: 1,475LMArenaAs of 10/28/2026
MedCodeOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 51.5%GLM-5.2: 40.8%Vals AIAs of 10/29/2026
Show 54 more benchmarks
MedScribeOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 89.5%GLM-5.2: 83.5%Vals AIAs of 10/29/2026
ProgramBenchOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 2.5%GLM-5.2: 0.5%Vals AIAs of 11/05/2026
SRE BenchOverall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 5.7%GLM-5.2: 0%Vals AIAs of 11/05/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 90.4%GLM-5.2: 64%Vals AIAs of 11/05/2026
Code MigrationCLI · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 36.1%GLM-5.2: 27.2%Vals AIAs of 10/29/2026
EMBComps · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 77.9%GLM-5.2: 54.9%Vals AIAs of 10/20/2026
Finance Agent (v2)Adjustments · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 49.6%GLM-5.2: 46.3%Vals AIAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 50%GLM-5.2: 39.4%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,568GLM-5.2: 1,568LMArenaAs of 10/28/2026
LMArena Text, Style ControlBusiness, management and finance · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,435GLM-5.2: 1,466LMArenaAs of 10/28/2026
ProgramBenchAlmost Resolved · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 29.5%GLM-5.2: 9.5%Vals AIAs of 11/05/2026
SRE BenchCapability Score · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 18.1%GLM-5.2: 3.4%Vals AIAs of 11/05/2026
Code MigrationCOBOL · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 70%GLM-5.2: 70%Vals AIAs of 10/29/2026
EMBDataroom · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 85.5%GLM-5.2: 83.4%Vals AIAs of 10/20/2026
Finance Agent (v2)All-Pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 42.9%GLM-5.2: 38%Vals AIAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 88.7%GLM-5.2: 86%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevReact development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,608GLM-5.2: 1,619LMArenaAs of 10/28/2026
LMArena Text, Style ControlChinese · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,468GLM-5.2: 1,525LMArenaAs of 10/28/2026
ProgramBenchFully Resolved · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 2.5%GLM-5.2: 0.5%Vals AIAs of 11/05/2026
SRE BenchFully Solved · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 5.7%GLM-5.2: 0%Vals AIAs of 11/05/2026
Code MigrationCode Quality · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 4.825 / 5GLM-5.2: 3.981 / 5Vals AIAs of 10/29/2026
EMBDCF · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 55.1%GLM-5.2: 53%Vals AIAs of 10/20/2026
Finance Agent (v2)Comparables · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 45.3%GLM-5.2: 44.8%Vals AIAs of 10/29/2026
Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 44.2%GLM-5.2: 27.9%Vals AIAs of 11/05/2026
LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,589GLM-5.2: 1,606LMArenaAs of 10/28/2026
LMArena Text, Style ControlCoding · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,489GLM-5.2: 1,514LMArenaAs of 10/28/2026
ProgramBenchRaw Pass Rate · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 78.7%GLM-5.2: 62.6%Vals AIAs of 11/05/2026
EMBLBO · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 28.2%GLM-5.2: 51.8%Vals AIAs of 10/20/2026
Finance Agent (v2)Disclosure Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 64.3%GLM-5.2: 61.6%Vals AIAs of 10/29/2026
Legal Research BenchBusiness & Commercial · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 87%GLM-5.2: 87.5%Vals AIAs of 11/05/2026
LMArena Text, Style ControlCreative writing · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,361GLM-5.2: 1,452LMArenaAs of 10/28/2026
EMBM&A · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 57.8%GLM-5.2: 63.9%Vals AIAs of 10/20/2026
Finance Agent (v2)Earnings Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 73.5%GLM-5.2: 66.6%Vals AIAs of 10/29/2026
Legal Research BenchCivil Litigation · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 40.7%GLM-5.2: 25.9%Vals AIAs of 11/05/2026
LMArena Text, Style ControlEnglish · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,438GLM-5.2: 1,483LMArenaAs of 10/28/2026
EMBMisc · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 52.3%GLM-5.2: 60.8%Vals AIAs of 10/20/2026
Finance Agent (v2)Financial Modeling · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 28.3%GLM-5.2: 12.9%Vals AIAs of 10/29/2026
Legal Research BenchCivil Litigation · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 83%GLM-5.2: 87%Vals AIAs of 11/05/2026
LMArena Text, Style ControlEntertainment, sports and media · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,378GLM-5.2: 1,446LMArenaAs of 10/28/2026
EMBOperating · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 56.4%GLM-5.2: 62.9%Vals AIAs of 10/20/2026
Finance Agent (v2)General Qualitative Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 61.9%GLM-5.2: 68.7%Vals AIAs of 10/29/2026
Legal Research BenchConstitutional / Civil Rights · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 44.7%GLM-5.2: 28.9%Vals AIAs of 11/05/2026
LMArena Text, Style ControlExcluding ties · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,417GLM-5.2: 1,485LMArenaAs of 10/28/2026
EMBScratch · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 53.5%GLM-5.2: 66.7%Vals AIAs of 10/20/2026
Finance Agent (v2)General Quantitative Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 74.4%GLM-5.2: 65.5%Vals AIAs of 10/29/2026
Legal Research BenchConstitutional / Civil Rights · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 82.3%GLM-5.2: 86.1%Vals AIAs of 11/05/2026
LMArena Text, Style ControlExpert prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,479GLM-5.2: 1,503LMArenaAs of 10/28/2026
EMBTemplate · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 64.3%GLM-5.2: 55.8%Vals AIAs of 10/20/2026
Finance Agent (v2)Market Analysis · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 63.1%GLM-5.2: 61.5%Vals AIAs of 10/29/2026
Legal Research BenchCriminal · All-pass · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 42.1%GLM-5.2: 22.8%Vals AIAs of 11/05/2026
LMArena Text, Style ControlFrench prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,457GLM-5.2: 1,489LMArenaAs of 10/28/2026
Finance Agent (v2)Precedents · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 27%GLM-5.2: 19.4%Vals AIAs of 10/29/2026
Legal Research BenchCriminal · Weighted partial credit · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 83.8%GLM-5.2: 80.1%Vals AIAs of 11/05/2026
LMArena Text, Style ControlHard prompts · higher is betterTest setup not documented as identicalClaude Haiku 5.5: 1,452GLM-5.2: 1,496LMArenaAs of 10/28/2026

More comparisons

Compare Claude Haiku 5.5 and GLM-5.2 with the models people compare them with most often.

Compare another matchup

The most popular comparisons

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  2. 2Claude Sonnet 5.5 vs. Claude Haiku 5.5
  3. 3Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017
  4. 4Claude Haiku 5.5 vs. DeepSeek-V4-Flash
  5. 5Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
  6. 6Claude Opus 5.5 vs. Claude Haiku 5.5
  7. 7Claude Haiku 5.5 vs. GLM-5.3
  8. 8Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
  9. 9Claude Haiku 5.5 vs. Gemini 3.8 Flash
Show all 46 comparisons
  1. 10Claude Haiku 5.5 vs. Claude Sonnet 4.5
  2. 11Claude Opus 5.5 vs. GLM-5.2
  3. 12Claude Haiku 5.5 vs. Claude Sonnet 5
  4. 13Claude Haiku 5.5 vs. Claude Opus 5
  5. 14Claude Haiku 5.5 vs. GPT-6 Astra
  6. 15Claude Haiku 5.5 vs. Gemini 3.5 Flash
  7. 16Claude Haiku 5.5 vs. Claude Opus 4.8
  8. 17Claude Haiku 5.5 vs. Gemini 4 Argon
  9. 18Claude Haiku 5.5 vs. Grok 4.7
  10. 19Claude Haiku 5.5 vs. GPT-5.6 Luna
  11. 20Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
  12. 21Claude Haiku 5.5 vs. Muse Spark 1.3
  13. 22Claude Haiku 5.5 vs. Claude Sonnet 4.6
  14. 23Claude Haiku 5.5 vs. Gemini 3.7 Flash
  15. 24Claude Haiku 5.5 vs. Mistral Large 4
  16. 25DeepSeek-V4.1-Flash vs. GLM-5.2
  17. 26Claude Haiku 5.5 vs. GPT-6.1 Sol
  18. 27Claude Sonnet 5.5 vs. GLM-5.2
  19. 28Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
  20. 29Claude Haiku 5.5 vs. GLM-5.3-Flash
  21. 30GPT-6 Luna vs. GLM-5.2
  22. 31Claude Haiku 5.5 vs. DeepSeek-V4-Pro
  23. 32Claude Haiku 5.5 vs. GPT-5.6 Sol
  24. 33Claude Haiku 5.5 vs. Gemini 3.6 Flash
  25. 34GPT-6 Astra vs. GLM-5.2
  26. 35GLM-5.2 vs. MiMo-V2.5-Pro
  27. 36Claude Haiku 5.5 vs. Claude Opus 4.6
  28. 37Gemini 3.8 Flash vs. GLM-5.2
  29. 38Claude Haiku 5.5 vs. Kimi K2.6
  30. 39Grok 4.7 vs. GLM-5.2
  31. 40GLM-5.3-Flash vs. GLM-5.2
  32. 41Claude Haiku 5.5 vs. Claude Opus 4.7
  33. 42Claude Haiku 5.5 vs. Mistral Large 3
  34. 43Claude Haiku 5.5 vs. GPT-5.5
  35. 44GLM-5.2 vs. Mistral Medium 3.5
  36. 45GPT-6.1 Sol vs. GLM-5.2
  37. 46Claude Haiku 5.5 vs. GPT-6.1 Terra