ERNIE 5.1 vs GLM-5.3
Benchmark Performance
Available Benchmarks
| Benchmark | ERNIE 5.1 | GLM-5.3 |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,468.10100% of row best · rating · ernie-5.1; 95% CI [1463.48233336, 1472.72453179]; votes 37137; rank 25 | 1,474.49100% of row best · rating · glm-5.3-max; 95% CI [1467.12172899, 1481.86064533]; votes 7401; rank 18 |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 0 benchmark winsTied overall | 0 benchmark winsTied overall |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | ERNIE 5.1 | GLM-5.3 |
|---|---|---|
| Developer | Baidu | Z.ai |
| Family | Ernie 5 | Glm 5 3 |
| Model | ERNIE 5.1 | GLM-5.3 |
| Version | ERNIE 5.1 | GLM-5.3 |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131,072 | 1,000,000 |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Baidu Qianfan (Standard) | Deepinfra (Standard), Z.ai (Standard) |
| Capabilities | agents, chat, reasoning, search, tools | agents, chat, reasoning, structured_outputs, tools |
13 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
ERNIE 5.1 Capabilities
GLM-5.3 Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
 Hy4 previewTencent | vs |  GLM-5.3Z.ai | cross-developer peerstext |
 ERNIE 5.1Baidu | vs | ERNIE X1.1Baidu | family variantstext |
 Qwen3.7-PlusQwen | vs | GLM-5.3Z.ai | cross-developer peerstext |
GLM-5.3Z.ai | vs | GLM-5.3-FlashZ.ai | family variantstext |
ERNIE 5.1Baidu | vs |  Sonar Deep ResearchPerplexity | cross-developer peerstext |
ERNIE 5.1Baidu | vs | Sonar Reasoning ProPerplexity | cross-developer peerstext |
GLM-5.2Z.ai | vs | GLM-5.3Z.ai | family variantstext |
GLM-5Z.ai | vs | GLM-5.3Z.ai | family variantstext |
GLM-5.1Z.ai | vs | GLM-5.3Z.ai | family variantstext |
ERNIE X1.1Baidu | vs | GLM-5.3Z.ai | cross-developer peerstext |
ERNIE-4.5-0.3B-PTBaidu | vs | ERNIE 5.1Baidu | family variantstext |
ERNIE 5.1Baidu | vs |  Command ACohere | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
ERNIE 5.1 vs GLM-5.3 FAQs
Is ERNIE 5.1 or GLM-5.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and GLM-5.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, ERNIE 5.1 or GLM-5.3?+
ERNIE 5.1 is $4.00 and GLM-5.3 is $1.20 per million tokens, so GLM-5.3 is cheaper on this metric. ERNIE 5.1 is $18.00 and GLM-5.3 is $4.00 per million tokens, so GLM-5.3 is cheaper on this metric.
Which has a larger context window, ERNIE 5.1 or GLM-5.3?+
GLM-5.3 has the larger sourced context window. ERNIE 5.1 supports 131,072 and GLM-5.3 supports 1,000,000.
Which performs better in benchmarks, ERNIE 5.1 or GLM-5.3?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can ERNIE 5.1 or GLM-5.3 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. ERNIE 5.1 is not marked open weight; GLM-5.3 is not marked open weight.
Can ERNIE 5.1 and GLM-5.3 understand images?+
ERNIE 5.1 is not documented with image input; GLM-5.3 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, ERNIE 5.1 or GLM-5.3?+
GLM-5.3 has the larger sourced maximum output: ERNIE 5.1 supports 65,536 and GLM-5.3 supports 131,072 output tokens.
Do ERNIE 5.1 and GLM-5.3 support reasoning and tool use?+
ERNIE 5.1: reasoning and tool calling. GLM-5.3: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, ERNIE 5.1 or GLM-5.3?+
ERNIE 5.1 has 1 sourced provider route; GLM-5.3 has 2, so GLM-5.3 has broader tracked availability.
Which offers better value, ERNIE 5.1 or GLM-5.3?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.