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GLM 5.3 · Math

GLM 5.3 for math: our test runs

GLM 5.3 ran our 5 math prompts in llmwise, through the same pipeline your messages take. Here's every reply as it came, whether it passed, what it cost and what it counts as on Pro, next to the other models.

Based on 5 of our test runs on , through OpenRouter with the app's own prompt and settings. Updated .

Short answer

In our test runs on September 27, 2026, GLM 5.3 passed 5 of 5 of our math prompts (both hard ones): tied 1st of 20 models. Each reply counted as 1 message on Pro, where it has 250 a month, and cost $0.0004 to run on average.

Prompt by prompt

Each of the 5 math prompts, and how GLM 5.3's reply did.

GLM 5.3 on each math prompt
PromptResultCostTime
A discount, then sales taxEverydayPassed: Final answer 66: right.$0.00020.9 s
Pens at 3 for $4EverydayPassed: Final answer 13.50 (three 3-for- 4 packs plus one single pen): right.$0.00021.5 s
Compound interest over three yearsEverydayPassed: Final answer 315.25: right.$0.00050.6 s
Four-digit numbers whose digits sum to 9HardPassed: Final answer 165: right.$0.00031.9 s
The highest of three dice is a 5HardPassed: Final answer 61/216: right.$0.00060.9 s

Every math reply from GLM 5.3

  1. A discount, then sales tax

    An everyday prompt: “A discount, then sales tax”, in full.

    Passed: Final answer 66: right.

    Discount: 25% of $80 = $20 → discounted price = $60
    Tax: 10% of $60 = $6
    
    Final answer: $66

    415 tokens in, 37 out · 0.9 s · $0.0002 · 1 message on Pro · answered by z-ai/glm-5.3 via Baidu ·

  2. Pens at 3 for $4

    An everyday prompt: “Pens at 3 for $4”, in full.

    Passed: Final answer 13.50 (three 3-for- 4 packs plus one single pen): right.

    Three 3-packs = 9 pens for $12, plus 1 single pen at $1.50 → $13.50.
    Alternative: two 3-packs (6 pens, $8) + 4 singles ($6) = $14. So the first option is cheaper.
    
    Final answer: $13.50 (three 3-for-$4 packs plus one single pen)

    417 tokens in, 83 out · 1.5 s · $0.0002 · 1 message on Pro · answered by z-ai/glm-5.3 via Baidu ·

  3. Compound interest over three years

    An everyday prompt: “Compound interest over three years”, in full.

    Passed: Final answer 315.25: right.

    A = 2000 × 1.05³ = 2000 × 1.157625 = 2315.25
    
    Interest = 2315.25 − 2000 = 315.25
    
    Final answer: $315.25

    416 tokens in, 57 out (1 of them reasoning) · 0.6 s · $0.0005 · 1 message on Pro · answered by z-ai/glm-5.3 via Sail Research ·

  4. Four-digit numbers whose digits sum to 9

    A hard prompt: “Four-digit numbers whose digits sum to 9”, in full.

    Passed: Final answer 165: right.

    # Working
    
    We need four-digit numbers (1000–9999) with digit sum 9.
    
    Let the digits be $a, b, c, d$ where $a \in \{1,\dots,9\}$ and $b,c,d \in \{0,\dots,9\}$, with $a+b+c+d=9$.
    
    Set $a' = a-1 \geq 0$, so $a'+b+c+d = 8$ with each variable $\leq 9$ (automatically satisfied since sum is 8).
    
    Stars and bars: $\binom{8+3}{3} = \binom{11}{3} = 165$.
    
    Final answer: 165

    392 tokens in, 154 out · 1.9 s · $0.0003 · 1 message on Pro · answered by z-ai/glm-5.3 via Baidu ·

  5. The highest of three dice is a 5

    A hard prompt: “The highest of three dice is a 5”, in full.

    Passed: Final answer 61/216: right.

    All outcomes ≤5 minus all ≤4, divided by 216:
    
    (5³ − 4³)/216 = (125 − 64)/216 = 61/216
    
    61 is prime, so this is already lowest terms.
    
    Final answer: 61/216

    432 tokens in, 79 out (23 of them reasoning) · 0.9 s · $0.0006 · 1 message on Pro · answered by z-ai/glm-5.3 via Wafer ·

How it compares on math

GLM 5.3 beside the job's picks among every model. 19 models share the hard-problems pick, GLM 5.3 among them.

GLM 5.3 beside other models on math
ModelPassedOn ProCost per reply
GLM 5.3Our pick: hard problems (shared), best value5 of 5250 a month on Pro$0.0004
Claude Haiku 5.5Our pick: hard problems (shared), everyday5 of 560 a day on Pro$0.0001
On Pro: Pro's count on each model. Cost: what OpenRouter charged us per reply, on average.

Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Plus $3.75, Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.

GLM 5.3 next to each model on math

GLM 5.3 against each model on the same 5 math prompts. One run each, through OpenRouter: a wait depends on the provider and the load that day, so a lead under 10% counts as close.

  • Against Claude Fable 5.1: GLM 5.3 answered 4.9× sooner (0.9 s to 4.6 s), cost 32.9× less, and passed 5 of 5 to its 5.

  • Against Claude Opus 5.5: GLM 5.3 answered 4.1× sooner (0.9 s to 3.9 s), cost 16.9× less, and passed 5 of 5 to its 5.

  • Against Claude Sonnet 5.5: GLM 5.3 answered 1.8× sooner (0.9 s to 1.7 s), cost 7.0× less, and passed 5 of 5 to its 5.

  • Against Claude Sonnet 5: GLM 5.3 answered 4.2× sooner (0.9 s to 3.9 s), cost 9.3× less, and passed 5 of 5 to its 5.

  • Against Claude Haiku 5.5: GLM 5.3 answered 1.8× sooner (0.9 s to 1.7 s), cost 2.4× more, and passed 5 of 5 to its 5.

  • Against Claude Haiku 4.5: GLM 5.3 answered 2.4× sooner (0.9 s to 2.2 s), cost 4.4× less, and passed 5 of 5 to its 5.

  • Against GPT-6 Astra: GLM 5.3 answered 2.8× sooner (0.9 s to 2.6 s), cost 24.2× less, and passed 5 of 5 to its 5.

  • Against GPT-6.1 Sol: GLM 5.3 answered 1.9× sooner (0.9 s to 1.8 s), cost 2.4× less, and passed 5 of 5 to its 5.

  • Against GPT-6 Sol: GLM 5.3 answered 2.3× sooner (0.9 s to 2.2 s), cost 5.1× less, and passed 5 of 5 to its 5.

  • Against GPT-6 Luna: GLM 5.3 answered 2.3× sooner (0.9 s to 2.2 s), cost 3.6× more, and passed 5 of 5 to its 4. Only GLM 5.3 passed Pens at 3 for $4.

  • Against Gemini 4 Argon: GLM 5.3 answered 4.6× sooner (0.9 s to 4.4 s), cost 4.4× less, and passed 5 of 5 to its 5.

  • Against Gemini 3.1 Pro (preview): GLM 5.3 answered 8.8× sooner (0.9 s to 8.3 s), cost 28.3× less, and passed 5 of 5 to its 5.

  • Against Gemini 3.8 Flash: GLM 5.3 answered 5.0× sooner (0.9 s to 4.7 s), cost 4.0× less, and passed 5 of 5 to its 5.

  • Against DeepSeek V4.1 Flash: GLM 5.3 answered within 10% of its time (0.9 s to 0.9 s), cost 1.4× more, and passed 5 of 5 to its 5.

  • Against DeepSeek V4 Pro: GLM 5.3 answered 2.9× sooner (0.9 s to 2.7 s), cost 2.5× less, and passed 5 of 5 to its 5.

  • Against Grok 4.7: GLM 5.3 answered 12.4× sooner (0.9 s to 11.7 s), cost 20.5× less, and passed 5 of 5 to its 5.

  • Against Kimi K3: GLM 5.3 answered 5.7× sooner (0.9 s to 5.4 s), cost 10.6× less, and passed 5 of 5 to its 5.

  • Against GLM 5.3 Flash: GLM 5.3 answered 2.9× sooner (0.9 s to 2.7 s), cost 2.4× more, and passed 5 of 5 to its 5.

  • Against Mistral Large 4: GLM 5.3 answered 5.4× sooner (0.9 s to 5.1 s), cost 5.2× less, and passed 5 of 5 to its 5.

How these runs were done

Final answer. Automatic. The reply's last “Final answer:” line must hold the right value.

How the runs were done, and every math prompt.

GLM 5.3, and math, elsewhere

Questions

Is GLM 5.3 good for math?

In our test runs it passed 5 of 5 math prompts, tied 1st of the 20 models in llmwise. Every reply is on this page, so you can judge them yourself.

How many of my messages does a math reply from GLM 5.3 use?

1 message each on Pro, where it has 250 a month on Pro. The price of a message is fixed and shown before you send it, however long the reply.

How were these runs done?

The same way for every model: each prompt sent through llmwise's own pipeline, each reply checked the same way. The methods page has every prompt and how each is scored.

Claude, GPT, Gemini, DeepSeek, Grok, Kimi, GLM, and Mistral, in one chat.

See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.