Compare / Mistral Small 4 vs GLM-5.3

Mistral Small 4 vs GLM-5.3

Which is cheaper, which is more capable, and which does better at each kind of work, from 16 results on 2 sources that measured both models.

Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).

Mistral Small 4
Mistral AI · profile
GLM-5.3
Z.ai · profile
Results compared
16
Shared sources
2

Mistral Small 4 or GLM-5.3? The short answer

Pick GLM-5.3 if quality matters most: it scores higher (Intelligence Index 44.8 against 11.3). Pick Mistral Small 4 if cost matters more: it costs 4.0 times less per game of bullet chess on BulletBench. Mistral Small 4 is also faster.

  • Mistral Small 4 is cheaper to run: $0.004 against $0.016 per game of bullet chess on BulletBench (4.0 times less).
  • GLM-5.3 scores higher on the Artificial Analysis Intelligence Index: 44.8 against 11.3.
  • Mistral Small 4 writes faster: 164 tokens a second against 76.
  • GLM-5.3 is newer: released 14 Aug 2026, against 16 Mar 2026 for Mistral Small 4.
  • On third-party benchmarks, on the results both models have: GLM-5.3 does better for agents and tool use and reasoning and knowledge.

At a glance

Mistral Small 4GLM-5.3
Price per million tokens$0.15 in · $0.60 out$1.40 in · $4.40 out
Blended (3 in : 1 out)$0.26$2.15
Cheapest host, blended$0.26 (Mistral)$0.65 (Novita, FP8)
Cost per game of bullet chess (BulletBench)$0.004$0.016
Cached input, per million$0.015 cached input$0.26 cached input
Intelligence Index11.344.8
Spring Prompt overall–38
Output speed, tokens a second16476
Context window262,144 tokens1,048,576 tokens
Released16 Mar 202614 Aug 2026 (newer)
WeightsOpenOpen
Developer based inFranceChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseMistral Small 4GLM-5.3
Marketing planningPlanning a year of ad spend without overspending not measured 16 of 19
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 132 of 164 11 of 164
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 15 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 131 of 198 25 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 116 of 188 23 of 188
Sticking to the factsSummarising without inventing things, and factual answers not measured 53 of 152
Speed under pressureGood decisions against a real clock (fast chess) 9 of 22 19 of 22

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureMistral Small 4GLM-5.3
BulletBench measured by Spring Prompt · 3 results
Cost per game · Bullet 60sUS dollars, lower is better $0.0039no reasoning $0.0156
Ladder Elo · Bullet 60sladder Elo, higher is better 367no reasoning 33
Games lost on time · Bullet 60s% of games, lower is better 25.0%no reasoning 83.3%low reasoning
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 11.3 44.8max reasoning
GPQA Diamond% of questions, higher is better 76.9% 91.7%max reasoning
Humanity's Last Exam% of questions, higher is better 9.9% 42.3%max reasoning
Show all 16 results (10 more)
MeasureMistral Small 4GLM-5.3
BulletBench measured by Spring Prompt · 2 results
Invalid moves · Bullet 60s% of moves, lower is better 0.6%no reasoning 0.0%
Median move time · Bullet 60smilliseconds, lower is better 0.6 sno reasoning 1.6 slow reasoning
Artificial Analysis reported by Artificial Analysis · 8 results
Terminal-Bench 2.1% of tasks, higher is better 21.0% 83.9%max reasoning
Terminal-Bench 4.0% of tasks, higher is better 0.0% 41.9%max reasoning
τ-bench banking% of tasks, higher is better 4.9% 50.3%max reasoning
Artificial Analysis Coding Indexindex score, higher is better 26.6 74.8max reasoning
Long-context reasoning (AA-LCR)% of questions, higher is better 49.7% 79.7%max reasoning
Output speedtokens per second, higher is better 164 76.3low reasoning
SciCode% of problems, higher is better 38.8% 59.0%max reasoning
Time to first answer tokenseconds, lower is better 0.47no reasoning 29.0low reasoning

Quick answers

Is Mistral Small 4 better than GLM-5.3?

Pick GLM-5.3 if quality matters most: it scores higher (Intelligence Index 44.8 against 11.3). Pick Mistral Small 4 if cost matters more: it costs 4.0 times less per game of bullet chess on BulletBench. Mistral Small 4 is also faster.

Which is cheaper, Mistral Small 4 or GLM-5.3?

Mistral Small 4 is cheaper to run: $0.004 against $0.016 per game of bullet chess on BulletBench (4.0 times less).

Which is faster, Mistral Small 4 or GLM-5.3?

Mistral Small 4 writes about 164 tokens a second on its usual API, against 76 for GLM-5.3 (Artificial Analysis).

Run Mistral Small 4 and GLM-5.3 on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.