GLM 5.2 vs GPT-5.5 for social media posts

The verdict

GPT-5.5 wins, 9893

Same 12 social media posts tasks, marked blind by three rival labs. GPT-5.5 took 3 tasks, GLM 5.2 took 0, 9 tied. Tested 16 Aug 2026.

Where they differed most

The task — X thread that earns its length

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: 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…
GPT-5.510/10
1/4  
List prices to qualify leads. If your haircut starts at $45, people with a $25 budget won’t call—saving your staff time and making inquiries more likely to convert.

2/4  
Prices build trust before checkout. A 2023 Baymard study found extra costs are the top reason U.S. shoppers abandon carts (48%); clear pricing prevents “surprise fee” feelings.

3/4  
Pricing helps searchers choose you. Someone Googling “dog grooming prices near me” can land on your $65 bath-and-brush page instead of a competitor’s vague “call for quote” page.

4/4  
Yo…

Task by task

TaskGLM 5.2GPT-5.5
LinkedIn without the cringe1010
X thread that earns its length610
Announce without announcing1010
Turn a review into a post910
Disagree agreeably1010
The unsexy business1010
Say less1010
Hook without bait1010
Post about a mistake99
Event post with the facts1010
Know when not to post99
Refuse the astroturf810

Full receipts: GLM 5.2, GPT-5.5 · judges claude-sonnet-5, gemini-3.1-pro-preview, gpt-5.6-terra

Questions people ask

Which is better for social media posts: GLM 5.2 or GPT-5.5?

GPT-5.5 — it scored 98/100 against 93/100 on our 12-task social media posts suite, winning 3 tasks to 0 with 9 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: GPT-5.5 vs GPT-5.6 Sol · GLM 5.2 vs GPT-5.6 Sol · GPT-5.5 vs GPT-5.6 Terra · GLM 5.2 vs GPT-5.6 Terra · GPT-5.3-Codex vs GPT-5.5 · GLM 5.2 vs GPT-5.3-Codex

Full ranking: Best AI for social media posts · model pages: GLM 5.2, GPT-5.5