Model comparison
Amazon Nova Micro vs GLM-5.1
GLM-5.1 is the stronger model overall, scoring 47.6 to 29.9 on the Noometry Index. Amazon Nova Micro costs 35× less per token, which makes it the better buy when GLM-5.1's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and GLM-5.1 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-5.1 leads 67.2 to 39.7.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $1.40 / $4.40 for GLM-5.1.
- GLM-5.1 accepts more context: 200K tokens versus 128K.
- GLM-5.1 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Micro | GLM-5.1 | |
|---|---|---|
| Provider | Amazon | Z.ai (Zhipu) |
| Noometry Index | 29.9 | 47.6 |
| Released | 2024-12-03 | 2026-04-07 |
| Weights | Proprietary | Open |
| Context window | 128K | 200K |
| Max output | 10K | 131K |
| Input $ / M tokens | $0.035 | $1.40 |
| Output $ / M tokens | $0.14 | $4.40 |
| Results tracked | 32 | 41 |
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Category by category
Coding GLM-5.1 leads
Amazon Nova Micro: 30.0 (#289), GLM-5.1: 48.5 (#52)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Coding | 1218 | 1486 |
| SWE-bench Verified | — | 74.2% |
| LMArena WebDev | — | 1509 |
| SciCode | — | 43.8% |
| WeirdML | — | 57.1% |
| LiveBench Coding | 20.2% | — |
| ALE-Bench | — | 887.1 |
Agentic & Tool Use GLM-5.1 leads
Amazon Nova Micro: 21.9 (#125), GLM-5.1: 24.8 (#106)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| APEX-Agents | — | 40.9% |
| Berkeley Function Calling Leaderboard | 22.3% | — |
| ExploitBench | — | 18.1% |
| GBAEval | — | 0% |
| Vending-Bench 2 | — | 5,634 |
Reasoning GLM-5.1 leads
Amazon Nova Micro: 16.7 (#289), GLM-5.1: 38.2 (#57)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1472 |
| SimpleBench | — | 55.1% |
| NYT Connections (extended) | — | 77.7% |
| CritPt | — | 4.6% |
| Chess Puzzles | — | 19% |
| Thematic Generalization | — | 69.8% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| Epoch Capabilities Index | — | 149.86 |
| LiveBench | 29.6% | — |
Math GLM-5.1 leads
Amazon Nova Micro: 24.9 (#252), GLM-5.1: 49.0 (#48)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Math | 1206 | 1472 |
| FrontierMath (Tiers 1-3) | — | 36.8% |
| MathArena Final-Answer Competitions | — | 67.1% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| ProofBench | — | 22.2% |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
| FrontierMath (Feb 2025 set) | — | 33.4% |
| FrontierMath Tier 4 (v1) | — | 12.5% |
Knowledge GLM-5.1 leads
Amazon Nova Micro: 29.2 (#231), GLM-5.1: 55.0 (#45)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Expert | 1184 | 1477 |
| GPQA Diamond | — | 89.9% |
| SimpleQA Verified | — | 34% |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multilingual GLM-5.1 leads
Amazon Nova Micro: 36.7 (#234), GLM-5.1: 55.2 (#34)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Non-English | 1186 | 1448 |
| LMArena Chinese | 1209 | 1516 |
| LMArena French | 1237 | 1478 |
| LMArena German | 1192 | 1466 |
| LMArena Japanese | 1154 | 1436 |
| LMArena Korean | 1150 | 1423 |
| LMArena Russian | 1185 | 1453 |
| LMArena Spanish | 1225 | 1467 |
Instruction Following GLM-5.1 leads
Amazon Nova Micro: 56.6 (#267), GLM-5.1: 76.5 (#41)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Instruction Following | 1174 | 1451 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context GLM-5.1 leads
Amazon Nova Micro: 36.5 (#224), GLM-5.1: 44.9 (#51)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Longer Query | 1206 | 1467 |
Writing & Preference GLM-5.1 leads
Amazon Nova Micro: 39.7 (#242), GLM-5.1: 67.2 (#29)
| Benchmark | Amazon Nova Micro | GLM-5.1 |
|---|---|---|
| LMArena Text | 1208 | 1462 |
| LMArena Creative Writing | 1172 | 1454 |
| LMArena Multi-Turn | 1178 | 1473 |
| EQ-Bench Creative Writing | — | 1592 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than GLM-5.1?
GLM-5.1 is the stronger model overall, scoring 47.6 to 29.9 on the Noometry Index. Amazon Nova Micro costs 35× less per token, which makes it the better buy when GLM-5.1's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Micro or GLM-5.1?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; GLM-5.1 lists at $1.40 and $4.40.
Is Amazon Nova Micro or GLM-5.1 better for coding?
GLM-5.1 scores higher on coding benchmarks: 48.5 versus 30.0 in the Noometry coding category.
Which has the bigger context window?
GLM-5.1 does, with 200K tokens against 128K.
How many benchmarks do Amazon Nova Micro and GLM-5.1 share?
17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GLM-5.1 has 41.