Compare / Claude Sonnet 5.5 vs GLM-5V-Turbo
Claude Sonnet 5.5 vs GLM-5V-Turbo
Which is cheaper, which is more capable, and which does better at each kind of work, from 40 results on 3 sources that measured both models.
Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).
Claude Sonnet 5.5 or GLM-5V-Turbo? The short answer
Pick Claude Sonnet 5.5 if quality matters most: it scores higher (Spring Prompt overall 64 against 11). Pick GLM-5V-Turbo if cost matters more: it costs 2.5 times less per product listing on CatalogBench.
- Spring Prompt overall: Claude Sonnet 5.5 64, GLM-5V-Turbo 11 (out of 100; how the score works).
- GLM-5V-Turbo is cheaper to run: $0.007 against $0.017 per product listing on CatalogBench (2.5 times less).
- Claude Sonnet 5.5 scores higher on the Artificial Analysis Intelligence Index: 56.0 against 23.5.
- Claude Sonnet 5.5 is newer: released 28 Sep 2026, against 1 Apr 2026 for GLM-5V-Turbo.
- On our own benchmarks, on the results both models have: Claude Sonnet 5.5 does better for product listings.
- On third-party benchmarks, on the results both models have: Claude Sonnet 5.5 does better for reasoning and knowledge, writing and sticking to the facts.
At a glance
| Claude Sonnet 5.5 | GLM-5V-Turbo | |
|---|---|---|
| Price per million tokens | $2.00 in · $10.00 out | $1.20 in · $4.00 out |
| Blended (3 in : 1 out) | $4.00 | $1.90 |
| Cheapest host, blended | $4.00 (Amazon Bedrock) | – |
| Cost per product listing (CatalogBench) | $0.017 | $0.007 |
| Cached input, per million | $0.20 cached input | – |
| Intelligence Index | 56.0 | 23.5 |
| Spring Prompt overall | 64 | 11 |
| Output speed, tokens a second | 134 | – |
| Context window | 1,000,000 tokens | 202,752 tokens |
| Released | 28 Sep 2026 (newer) | 1 Apr 2026 |
| Weights | Closed | Closed |
| Developer based in | the US | China |
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 case | Claude Sonnet 5.5 | GLM-5V-Turbo |
|---|---|---|
| Product listingsTurning a sparse product feed and photos into listings that can go live | 10 of 20 | 19 of 20 |
| Decks from an analysisTurning a finished analysis into a deck you could present as it is | 4 of 19 | not measured |
| Marketing planningPlanning a year of ad spend without overspending | 4 of 19 | not measured |
| Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls | 1 of 164 | not measured |
| Professional workReal tasks from banking, consulting and law, business documents and freelance projects | 1 of 51 | not measured |
| Reasoning and knowledgeHard questions across science, maths and general knowledge | 2 of 198 | 97 of 198 |
| WritingWhat people prefer in blind comparisons, and judged writing quality | 32 of 188 | 77 of 188 |
| Sticking to the factsSummarising without inventing things, and factual answers | 42 of 152 | 80 of 152 |
| Speed under pressureGood decisions against a real clock (fast chess) | 22 of 22 | not measured |
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.
| Measure | Claude Sonnet 5.5 | GLM-5V-Turbo |
|---|---|---|
| CatalogBench measured by Spring Prompt · 3 results | ||
| Cost per productUS dollars, lower is better | $0.0172 | $0.0070 |
| Reliably publish-ready% of products, higher is better | 32.1% | 1.8% |
| Reliably publish-ready · sales brief% of products, higher is better | 10.7% | 0.0% |
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results | ||
| Overall · TextArena rating, higher is better | 1,471xhigh reasoning | 1,433 |
| Overall · Text factualityArena rating, higher is better | 1,470xhigh reasoning | 1,440 |
| Business, management and finance · TextArena rating, higher is better | 1,464xhigh reasoning | 1,440 |
| Artificial Analysis reported by Artificial Analysis · 3 results | ||
| Artificial Analysis Intelligence Indexindex score, higher is better | 56.0max reasoning | 23.5 |
| Humanity's Last Exam% of questions, higher is better | 55.0%max reasoning | 17.1% |
| Long-context reasoning (AA-LCR)% of questions, higher is better | 82.7%max reasoning | 70.3% |
Show all 40 results (31 more)
| Measure | Claude Sonnet 5.5 | GLM-5V-Turbo |
|---|---|---|
| CatalogBench measured by Spring Prompt · 27 results | ||
| Channel compliance% of products, higher is better | 99.4% | 98.3% |
| Channel rules broken% of products, lower is better | 1.2% | 1.2% |
| Channel rules broken · sales brief% of products, lower is better | 0.6% | 0.6% |
| Claims to check% of products, lower is better | 0.0% | 11.5% |
| Claims to check · sales brief% of products, lower is better | 0.6% | 28.9% |
| Conflicts caught% of conflicts, higher is better | 100.0% | 100.0% |
| Content quality% of checks, higher is better | 96.5% | 63.3% |
| Content quality · sales brief% of checks, higher is better | 97.3% | 16.8% |
| Decision accuracy% of decisions, higher is better | 95.7% | 61.0% |
| Failed outputs% of products, lower is better | 0.0% | 32.1% |
| Failed outputs · sales brief% of products, lower is better | 0.0% | 82.1% |
| Field accuracy% of missing fields, higher is better | 91.5% | 59.6% |
| Invented values% of filled values, lower is better | 0.8% | 3.8% |
| Missing UK information% of products, lower is better | 0.0% | 0.0% |
| Missing UK information · sales brief% of products, lower is better | 0.0% | 0.0% |
| Not findable% of products, lower is better | 1.2% | 5.4% |
| Not findable · sales brief% of products, lower is better | 0.6% | 1.8% |
| Publish-ready listings% of products, higher is better | 46.4% | 10.1% |
| Publish-ready listings · sales brief% of products, higher is better | 27.4% | 0.0% |
| Unsupported claims% of products, lower is better | 39.3% | 55.4% |
| Unsupported claimsclaims per product, lower is better | 1.08 | 2.49 |
| Unsupported claims · sales brief% of products, lower is better | 59.5% | 17.9% |
| Unsupported claims · sales briefclaims per product, lower is better | 1.71 | 1.31 |
| Wrong attributes% of products, lower is better | 19.1% | 13.1% |
| Wrong attributes · sales brief% of products, lower is better | 20.8% | 3.6% |
| Wrong category or variant% of products, lower is better | 3.0% | 1.2% |
| Wrong category or variant · sales brief% of products, lower is better | 3.0% | 1.2% |
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results | ||
| Creative writing · TextArena rating, higher is better | 1,447xhigh reasoning | 1,406 |
| Expert prompts · TextArena rating, higher is better | 1,556xhigh reasoning | 1,463 |
| Instruction following · TextArena rating, higher is better | 1,484xhigh reasoning | 1,424 |
| Writing, literature and language · TextArena rating, higher is better | 1,461xhigh reasoning | 1,414 |
Quick answers
Is Claude Sonnet 5.5 better than GLM-5V-Turbo?
Pick Claude Sonnet 5.5 if quality matters most: it scores higher (Spring Prompt overall 64 against 11). Pick GLM-5V-Turbo if cost matters more: it costs 2.5 times less per product listing on CatalogBench.
Which is cheaper, Claude Sonnet 5.5 or GLM-5V-Turbo?
GLM-5V-Turbo is cheaper to run: $0.007 against $0.017 per product listing on CatalogBench (2.5 times less).
Run Claude Sonnet 5.5 and GLM-5V-Turbo on your own prompt
Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.