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Compare / head-to-head

ERNIE 5.1vsGLM-5.2

ERNIE 5.1 and GLM-5.2 do not yet share a public benchmark, so quality cannot be compared apples-to-apples. GLM-5.2 has the larger context window (1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0
no overlap yet
Cheaper per token
list price, input + output
Larger context
GLM-5.2
1M tokens
Provider uptime (30d)
— · —
Baidu · Z.ai
ERNIE 5.1
Baidu · released 2026-05-09
text
Context
128K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
2 · 2 core
GLM-5.2
Z.ai · released 2026-06-24
text
Context
1M
Max out
131K
Input /1M
$1.4
Output /1M
$4.4
Cached /1M
$0.26
Scores
26 · 9 core
Quality

Benchmark matrix

BenchmarkERNIE 5.1GLM-5.2ΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only ERNIE 5.1 reports · 2
LMArena Elo1468.2 not reported
AIME 2026 (with tools)99.6% not reported
Only GLM-5.2 reports · 25
GPQA Diamondnot reported91.9% epoch
AIME 2026not reported90% matharena
Agents' Last Exam (ALE-CLI)not reported23.8%
AutomationBench v1.0.6not reported26.2%
CyberGymnot reported77.2%
DeepSWE v1.1not reported46.2%
ExploitBenchnot reported24.4%
ExploitGym 2hnot reported29
ExploitGym 6hnot reported39
FrontierMath Tier 4 v2 (Epoch AI run)not reported29.3% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported59.2% epoch
FrontierSWEnot reported67.5%
GDPval-AA v2not reported1508
HLE (with tools)not reported54.7%
NL2Reponot reported48.9%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported86.4% epoch
PostTrainBenchnot reported31.7%
ProgramBench (Almost Solved)not reported9.5%
SimpleQA Verifiednot reported34.2% epoch
SWE-Bench Pronot reported62.1%
SWE-bench Verified (Epoch AI run)not reported78.7% epoch
SWE-Marathon v1.1not reported19.4%
Terminal-Bench 2.1not reported81%
Terminal-Bench 3.0not reported4.6%
Toolathlon Verifiednot reported59.9%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is ERNIE 5.1 minus GLM-5.2 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecERNIE 5.1GLM-5.2Edge
Context window128K tokens1M tokensGLM-5.2
Max output66K tokens131K tokensGLM-5.2
Input price / 1M$1.4
Output price / 1M$4.4
Cached input / 1M$0.26
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$5.8
ModalitiestexttextTie
Released2026-05-092026-06-24
Cited benchmark scores226
Reliability

Provider status

All providers
More matchups

ERNIE 5.1 vs …

More matchups

GLM-5.2 vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run ERNIE 5.1 and GLM-5.2 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.