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VECTOR WIREAI INTELLIGENCE
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Claude Opus 4.7 vs GLM-5.3

Anthropic · released

Wins 2 of 7 areas

Facts · Math

Z.ai · released

Wins 5 of 7 areas

Coding · Agents · Reasoning · Long documents · Following instructions

GLM-5.3 is the stronger all-rounder.Claude Opus 4.7 is better at math.

Scores updated · 33 tests both models report · How we compare

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.

Claude Opus 4.7$5.00 to read · $25.00 to write$30Price from Anthropic's own price page
GLM-5.3$1.40 to read · $4.40 to write$5.80Price from Z.ai's own price page

GLM-5.3 costs 81% less for the same work.

The biggest differences

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

Where GLM-5.3 pulls ahead

  • Customer-service tasks in a simulated bankτ-Bench V3 · Banking+15.7points aheadGLM-5.350.3Claude Opus 4.734.6
  • Real work tasks from 44 professionsGDPVal+14.9points aheadGLM-5.357.5Claude Opus 4.742.6
  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+12.7points aheadGLM-5.370.4Claude Opus 4.757.7

Where Claude Opus 4.7 pulls ahead

Every test, side by side

All 33 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingGLM-5.3

Full coding ranking

AgentsGLM-5.3

Full agents ranking

ReasoningGLM-5.3

Full reasoning ranking

FactsClaude Opus 4.7

Full facts ranking

MathClaude Opus 4.7

Full math ranking

Long documentsGLM-5.3

Full long documents ranking

Following instructionsGLM-5.3

Full following instructions ranking

Other results12 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, Claude Opus 4.7 or GLM-5.3?

GLM-5.3 wins five of the seven areas where both have results: coding, agents, reasoning, long documents and following instructions. Claude Opus 4.7 wins facts and math.

Which is better for coding?

GLM-5.3. It wins 3 of the 5 coding tests both models report; Claude Opus 4.7 wins 1, and 1 is a tie.

Which is cheaper?

Claude Opus 4.7 costs $5.00 per million input tokens and $25.00 per million output tokens; GLM-5.3 costs $1.40 and $4.40. That makes GLM-5.3 about 81% cheaper for the same work.

How do you compare the two?

We use the 33 benchmark tests both models have published scores on. The verdict counts the 21 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 12 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.