Compare / Claude Haiku 5.5 vs GLM-5.3

Claude Haiku 5.5 vs GLM-5.3

Which is cheaper, which is more capable, and which does better at each kind of work, from 21 results on 3 sources that measured both models.

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

Claude Haiku 5.5
Anthropic · profile
GLM-5.3
Z.ai · profile
Results compared
21
Shared sources
3

Claude Haiku 5.5 or GLM-5.3? The short answer

Pick Claude Haiku 5.5: it scores higher (Spring Prompt overall 44 against 38) and costs less.

  • Spring Prompt overall: Claude Haiku 5.5 44, GLM-5.3 38 (out of 100; how the score works).
  • Claude Haiku 5.5 is cheaper to run: $0.002 against $0.016 per game of bullet chess on BulletBench (8.1 times less).
  • GLM-5.3 scores higher on the Artificial Analysis Intelligence Index: 44.8 against 43.4.
  • Claude Haiku 5.5 writes faster: 235 tokens a second against 76.
  • Claude Haiku 5.5 is newer: released 7 Oct 2026, against 14 Aug 2026 for GLM-5.3.
  • On our own benchmarks, on the results both models have: GLM-5.3 does better for marketing planning.
  • On third-party benchmarks, on the results both models have: GLM-5.3 does better for agents and tool use.

At a glance

Claude Haiku 5.5GLM-5.3
Price per million tokens$0.10 in · $0.50 out$1.40 in · $4.40 out
Blended (3 in : 1 out)$0.20$2.15
Cheapest host, blended–$0.65 (Novita, FP8)
Cost per game of bullet chess (BulletBench)$0.002$0.016
Cached input, per million–$0.26 cached input
Intelligence Index43.444.8
Spring Prompt overall4438
Output speed, tokens a second23576
Context window1,000,000 tokens1,048,576 tokens
Released7 Oct 2026 (newer)14 Aug 2026
WeightsClosedOpen
Developer based inthe USChina

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 caseClaude Haiku 5.5GLM-5.3
Product listingsTurning a sparse product feed and photos into listings that can go live 11 of 20 not measured
Decks from an analysisTurning a finished analysis into a deck you could present as it is 10 of 19 not measured
User surveysPlanning a user survey and reading its results without being misled 3 of 8 not measured
Marketing planningPlanning a year of ad spend without overspending 17 of 19 16 of 19
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 20 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 19 of 198 25 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality not measured 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) 15 of 22 19 of 22

From our research

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.

MeasureClaude Haiku 5.5GLM-5.3
BulletBench measured by Spring Prompt · 3 results
Cost per game · Bullet 60sUS dollars, lower is better $0.0019no reasoning $0.0156
Ladder Elo · Bullet 60sladder Elo, higher is better 310no reasoning 33
Games lost on time · Bullet 60s% of games, lower is better 37.5%no reasoning 83.3%low reasoning
ROASBench measured by Spring Prompt · 3 results
Overall scorescore out of 100, higher is better 24.1 24.8
Audience scorescore out of 100, higher is better 48.4 51.0
Business scorescore out of 100, higher is better 13.5 12.9
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 43.4max reasoning 44.8max reasoning
Humanity's Last Exam% of questions, higher is better 44.4%max reasoning 42.3%max reasoning
Terminal-Bench 4.0% of tasks, higher is better 32.8%max reasoning 41.9%max reasoning
Show all 21 results (12 more)
MeasureClaude Haiku 5.5GLM-5.3
BulletBench measured by Spring Prompt · 2 results
Invalid moves · Bullet 60s% of moves, lower is better 0.0%no reasoning 0.0%
Median move time · Bullet 60smilliseconds, lower is better 1.7 sno reasoning 1.6 slow reasoning
ROASBench measured by Spring Prompt · 6 results
Consistency scorescore out of 100, higher is better 10.6 14.8
Contribution profitsimulated US dollars, higher is better $32,146 $9,718
Cost of a runUS dollars, lower is better $0.0313 $0.13
Months over budgetmonths of 12, lower is better 0 0
Planning scorescore out of 100, higher is better 54.8 51.7
Return on ad spendprofit per $1 spent, higher is better $0.03 $0.01
Artificial Analysis reported by Artificial Analysis · 4 results
Long-context reasoning (AA-LCR)% of questions, higher is better 82.7%max reasoning 79.7%max reasoning
Output speedtokens per second, higher is better 235max reasoning 76.3low reasoning
SciCode% of problems, higher is better 55.0%max reasoning 59.0%max reasoning
Time to first answer tokenseconds, lower is better 5.08low reasoning 29.0low reasoning

Quick answers

Is Claude Haiku 5.5 better than GLM-5.3?

Pick Claude Haiku 5.5: it scores higher (Spring Prompt overall 44 against 38) and costs less.

Which is cheaper, Claude Haiku 5.5 or GLM-5.3?

Claude Haiku 5.5 is cheaper to run: $0.002 against $0.016 per game of bullet chess on BulletBench (8.1 times less).

Which is faster, Claude Haiku 5.5 or GLM-5.3?

Claude Haiku 5.5 writes about 235 tokens a second on its usual API, against 76 for GLM-5.3 (Artificial Analysis).

Run Claude Haiku 5.5 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.