Claude Opus 4.5 vs GLM 5V Turbo
Wins 6 of 7 areas
Coding · Agents · Reasoning · Facts · Images and charts · Long documents
Wins 1 of 7 areas
Following instructions
Claude Opus 4.5 is the stronger all-rounder.GLM 5V Turbo is cheaper and better at following instructions.
Scores updated · 19 tests both models report · How we compare
Where each one wins
Tests won in each of the seven 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.
- CodingWriting and fixing software30Claude Opus 4.53 of 3 tests
- ReasoningHard problems that need careful thinking30Claude Opus 4.53 of 3 tests
- AgentsCarrying out multi-step tasks on its own20Claude Opus 4.52 of 2 tests
- FactsGetting facts right instead of making them up20Claude Opus 4.52 of 2 tests
- Images and chartsUnderstanding pictures, charts and video10Claude Opus 4.51 of 1 test
- Long documentsFinding answers in very long texts10Claude Opus 4.51 of 1 test
- Following instructionsDoing exactly what it is asked01GLM 5V Turbo1 of 1 test
Images and charts, 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 5V Turbo costs 83% 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 Claude Opus 4.5 pulls ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+17.3points ahead
- Hard command-line tasks in a real terminalTerminal-Bench Hard+14.4points ahead
- Very hard expert questions across many subjectsHumanity's Last Exam+13points ahead
Where GLM 5V Turbo pulls ahead
- Follows unfamiliar, precisely checkable instructionsIFBench+3.1points ahead
Every test, side by side
All 19 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 4.5
- Terminal-Bench HardClaude Opus 4.5 by 14.44732.6+14.4
- LMArena · WebDevClaude Opus 4.5 by 68 rating points14691401+68 rating
- SciCodeClaude Opus 4.5 by 649.543.5+6
AgentsClaude Opus 4.5
- GDPValClaude Opus 4.5 by 5.947.341.4+5.9
- OSWorld-VerifiedClaude Opus 4.5 by 466.362.3+4
ReasoningClaude Opus 4.5
- Humanity's Last ExamClaude Opus 4.5 by 1330.117.1+13
- GPQA DiamondClaude Opus 4.5 by 5.786.680.9+5.7
- CritPtClaude Opus 4.5 by 44.60.6+4
FactsClaude Opus 4.5
- AA-Omniscience · AccuracyClaude Opus 4.5 by 17.346.629.3+17.3
- AA-Omniscience · Non-hallucinationClaude Opus 4.5 by 7.83931.2+7.8
Images and chartsClaude Opus 4.5
- MMMU-ProClaude Opus 4.5 by 1.27472.8+1.2
Following instructionsGLM 5V Turbo
- IFBenchGLM 5V Turbo by 3.15861.1+3.1
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.
- AA-OmniscienceClaude Opus 4.5 by 33.314-19.3+33.3
- Artificial Analysis Coding IndexClaude Opus 4.5 by 11.647.836.2+11.6
- τ²-Bench Telecom (AA run)GLM 5V Turbo by 989.598.5+9
- SimpleVQAGLM 5V Turbo by 8.569.778.2+8.5
- AA IntelligenceClaude Opus 4.5 by 5.629.123.5+5.6
- AA Agentic IndexGLM 5V Turbo by 1.559.661.1+1.5
Questions people ask
Which is better, Claude Opus 4.5 or GLM 5V Turbo?
Claude Opus 4.5 wins six of the seven areas where both have results: coding, agents, reasoning, facts, images and charts and long documents. GLM 5V Turbo wins following instructions, and costs 83% less.
Which is better for coding?
Claude Opus 4.5. It wins 3 of the 3 coding tests both models report; GLM 5V Turbo wins none.
Which is cheaper?
Claude Opus 4.5 costs $5.00 per million input tokens and $25.00 per million output tokens; GLM 5V Turbo costs $1.20 and $4.00. That makes GLM 5V Turbo about 83% cheaper for the same work.
How do you compare the two?
We use the 19 benchmark tests both models have published scores on. The verdict counts the 13 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.