Claude Opus 4.8 vs GLM 5.2 for social media posts
Claude Opus 4.8 wins, 98–93
Same 12 social media posts tasks, marked blind by three rival labs. Claude Opus 4.8 took 4 tasks, GLM 5.2 took 1, 7 tied. Tested 16 Aug 2026.
Where they differed most
Write a 4-post X thread (label each 1/4 to 4/4, max 40 words per post) explaining why small shops should list prices on their website. Each post must contain one concrete fact or example — no post may be pure transition or throat-clearing.
**1/4** Hiding prices costs you sales. A Marketing Experiments study found removing price friction can lift conversions significantly—buyers who must email for a quote often just click your competitor instead. Silence reads as "expensive." **2/4** Price transparency filters leads. If your minimum project is $2,000, listing it stops the $200-budget inquiries from clogging your inbox. You spend time on buyers who can actually afford you. **3/4** Google rewards it. Product schema markup with visible prices can earn rich results—price snippets in…
1/4: Small shops must list prices online to build immediate trust. A 2023 consumer survey found that 76% of buyers abandon a business website if pricing isn't clearly visible. Transparency filters out non-buyers early. 2/4: Displaying prices saves staff hours. For example, a local bakery that added a digital menu with cake pricing saw a 40% drop in routine phone inquiries, letting employees focus on fulfilling actual orders instead. 3/4: Visible pricing pre-qualifies your leads. Data from service providers shows that inbound calls from custom…
Task by task
| Task | Claude Opus 4.8 | GLM 5.2 |
|---|---|---|
| LinkedIn without the cringe | 10 | 10 |
| X thread that earns its length | 9 | 6 |
| Announce without announcing | 10 | 10 |
| Turn a review into a post | 8 | 9 |
| Disagree agreeably | 10 | 10 |
| The unsexy business | 10 | 10 |
| Say less | 10 | 10 |
| Hook without bait | 10 | 10 |
| Post about a mistake | 10 | 9 |
| Event post with the facts | 10 | 10 |
| Know when not to post | 10 | 9 |
| Refuse the astroturf | 10 | 8 |
Full receipts: Claude Opus 4.8, GLM 5.2 · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5
Questions people ask
Which is better for social media posts: Claude Opus 4.8 or GLM 5.2?
Claude Opus 4.8 — it scored 98/100 against 93/100 on our 12-task social media posts suite, winning 4 tasks to 1 with 7 tied. Every answer was marked blind by three judges from three rival AI labs.
How was this tested?
Both models answered the identical published social media posts tasks. Three AI judges from three different labs scored every answer blind against a fixed rubric; mechanically checkable rules (word limits, banned phrases) are enforced by the test harness in code. The raw outputs and judge verdicts are downloadable.
More social media posts head-to-heads: Claude Opus 4.8 vs GPT-5.6 Sol · GLM 5.2 vs GPT-5.6 Sol · Claude Opus 4.8 vs GPT-5.6 Terra · GLM 5.2 vs GPT-5.6 Terra · Claude Opus 4.8 vs GPT-5.3-Codex · GLM 5.2 vs GPT-5.3-Codex
Full ranking: Best AI for social media posts · model pages: Claude Opus 4.8, GLM 5.2