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VECTOR WIREAI INTELLIGENCE
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GLM-4.5V vs GPT-5

Z.ai · released

Wins 0 of 6 areas

—

OpenAI · released

Wins 6 of 6 areas

Coding · Reasoning · Facts · Images and charts · Long documents · Following instructions

GPT-5 is the stronger all-rounder.GLM-4.5V is cheaper.

Scores updated · 17 tests both models report · How we compare

Where each one wins

Tests won in each of the six areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.

Long documents and following instructions rest on a single test each.

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

GLM-4.5V$0.60 to read · $1.80 to write$2.40Price from Artificial Analysis
GPT-5$1.25 to read · $10.00 to write$11Price from Artificial Analysis

GLM-4.5V costs 79% less for the same work.

The biggest differences

The tests each model wins by the widest margin, up to three each. Scores are out of 100.

Where GPT-5 pulls ahead

  • Follows unfamiliar, precisely checkable instructionsIFBench+38.9points aheadGPT-573.1GLM-4.5V34.2
  • Hard command-line tasks in a real terminalTerminal-Bench Hard+27.3points aheadGPT-532.6GLM-4.5V5.3
  • Harder college exam questions with imagesMMMU-Pro+23.7points aheadGPT-574.2GLM-4.5V50.5

Where GLM-4.5V pulls ahead

No clear win on a test scored out of 100.

Every test, side by side

All 17 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingGPT-5

Full coding ranking

ReasoningGPT-5

Full reasoning ranking

FactsGPT-5

Full facts ranking

Images and chartsGPT-5

Full images and charts ranking

Long documentsGPT-5

Full long documents ranking

Following instructionsGPT-5

Full following instructions ranking

Other results6 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

Questions people ask

Which is better, GLM-4.5V or GPT-5?

GPT-5 wins all six areas where both have results: coding, reasoning, facts, images and charts, long documents and following instructions. GLM-4.5V wins none, but costs 79% less.

Which is better for coding?

GPT-5. It wins 2 of the 2 coding tests both models report; GLM-4.5V wins none.

Which is cheaper?

GLM-4.5V costs $0.60 per million input tokens and $1.80 per million output tokens; GPT-5 costs $1.25 and $10.00. That makes GLM-4.5V about 79% cheaper for the same work.

How do you compare the two?

We use the 17 benchmark tests both models have published scores on. The verdict counts the 11 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 6 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.