Model comparison
Claude Opus 4.1 vs GLM-5V-Turbo
GLM-5V-Turbo is the stronger model overall, scoring 43.8 to 41.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Claude Opus 4.1 scores higher in 5 categories and GLM-5V-Turbo in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where GLM-5V-Turbo leads 39.4 to 22.3.
- GLM-5V-Turbo is cheaper at $1.20 / $4 per million input/output tokens, against $15 / $75 for Claude Opus 4.1.
Side by side
| Claude Opus 4.1 | GLM-5V-Turbo | |
|---|---|---|
| Provider | Anthropic | Z.ai (Zhipu) |
| Noometry Index | 41.0 | 43.8 |
| Released | 2025-08-05 | 2026-04-01 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | 200K |
| Max output | 32K | 131K |
| Input $ / M tokens | $15 | $1.20 |
| Output $ / M tokens | $75 | $4 |
| Results tracked | 48 | 19 |
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Category by category
Coding Claude Opus 4.1 leads
Claude Opus 4.1: 44.4 (#73), GLM-5V-Turbo: 42.1 (#111)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena WebDev | 1390 | 1401 |
| LMArena Coding | 1479 | 1466 |
| SWE-bench Verified | 73.3% | — |
| WeirdML | 45.9% | — |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.1: 35.0 (#41), GLM-5V-Turbo: —
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |
Reasoning Claude Opus 4.1 leads
Claude Opus 4.1: 32.2 (#76), GLM-5V-Turbo: 29.7 (#89)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1443 |
| SimpleBench | 60% | — |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| Epoch Capabilities Index | 144.12 | — |
| ForecastBench | 62 | — |
Math GLM-5V-Turbo leads
Claude Opus 4.1: 22.3 (#277), GLM-5V-Turbo: 39.4 (#106)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Math | 1431 | 1441 |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.1 leads
Claude Opus 4.1: 42.0 (#101), GLM-5V-Turbo: 40.6 (#117)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Expert | 1439 | 1452 |
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |
Multimodal GLM-5V-Turbo leads
Claude Opus 4.1: 26.8 (#119), GLM-5V-Turbo: 40.9 (#42)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Vision | — | 1264 |
| VPCT | 35% | — |
| LMArena Document | — | 1416 |
Multilingual GLM-5V-Turbo leads
Claude Opus 4.1: 52.0 (#95), GLM-5V-Turbo: 53.0 (#73)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Non-English | 1405 | 1420 |
| LMArena Chinese | 1427 | 1488 |
| LMArena French | 1431 | 1444 |
| LMArena German | 1413 | 1423 |
| LMArena Korean | 1380 | 1396 |
| LMArena Russian | 1422 | 1431 |
| LMArena Spanish | 1448 | 1450 |
| LMArena Japanese | 1378 | — |
Instruction Following Too close to call
Claude Opus 4.1: 75.6 (#58), GLM-5V-Turbo: 75.0 (#80)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Instruction Following | 1435 | 1423 |
Long Context Too close to call
Claude Opus 4.1: 44.5 (#63), GLM-5V-Turbo: 44.0 (#80)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Longer Query | 1455 | 1438 |
Writing & Preference Too close to call
Claude Opus 4.1: 62.4 (#74), GLM-5V-Turbo: 62.5 (#73)
| Benchmark | Claude Opus 4.1 | GLM-5V-Turbo |
|---|---|---|
| LMArena Text | 1419 | 1437 |
| LMArena Creative Writing | 1412 | 1416 |
| LMArena Multi-Turn | 1444 | 1432 |
| Short-Story Creative Writing | 84.7% | — |
Frequently asked questions
Is Claude Opus 4.1 better than GLM-5V-Turbo?
GLM-5V-Turbo is the stronger model overall, scoring 43.8 to 41.0 on the Noometry Index.
Which is cheaper, Claude Opus 4.1 or GLM-5V-Turbo?
GLM-5V-Turbo is cheaper. It lists at $1.20 per million input tokens and $4 per million output tokens; Claude Opus 4.1 lists at $15 and $75.
Is Claude Opus 4.1 or GLM-5V-Turbo better for coding?
Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 42.1 in the Noometry coding category.
Which has the bigger context window?
Both accept 200K tokens.
How many benchmarks do Claude Opus 4.1 and GLM-5V-Turbo share?
17 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and GLM-5V-Turbo has 19.