ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

GLM-5.3-FlashvsPhi-4 Reasoning

GLM-5.3-Flash leads 1 of 1 shared benchmark. GLM-5.3-Flash has the larger context window (1M tokens).

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

Shared benchmarks
1 – 0
GLM-5.3-Flash leads
Cheaper per token
list price, input + output
Larger context
GLM-5.3-Flash
1M tokens
Provider uptime (30d)
— · —
Z.ai · Microsoft
GLM-5.3-Flash
Z.ai · released 2026-09-16
textvision
Context
1M
Max out
131K
Input /1M
$0.15
Output /1M
$0.5
Cached /1M
$0.03
Scores
19 · 6 core
Phi-4 Reasoning
Microsoft · released 2025-04-30
text
Context
33K
Max out
33K
Input /1M
Output /1M
Cached /1M
Scores
4 · 4 core
Quality

Benchmark matrix

BenchmarkGLM-5.3-FlashPhi-4 ReasoningΔEdge
Reported by both · 1
GPQA Diamond90.2% epoch65.8% +24.4 ptGLM-5.3-Flash
Only GLM-5.3-Flash reports · 18
LMArena Elo1471.9 not reported
Agents' Last Exam (ALE-CLI)26.3% not reported
AutomationBench v1.0.648.8% not reported
BabyVision53.4% not reported
Chartography (with tools)78% not reported
CharXiv Reasoning (with tools)89.4% not reported
DeepSWE v1.163.4% not reported
FrontierMath Tier 4 v2 (Epoch AI run)17.1% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)55.8% epochnot reported
GDPval-AA v21773 not reported
HLE (with tools)55.3% not reported
MMVU80.5% not reported
MVBench77.8% not reported
NL2Repo56.3% not reported
OfficeQA Pro62.4% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)93.9% epochnot reported
Terminal-Bench 2.184.3% not reported
Toolathlon Verified78.4% not reported
Only Phi-4 Reasoning reports · 3
MMLU-Pronot reported74.3%
AIME 2025not reported62.9%
HumanEval+not reported92.9%
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 GLM-5.3-Flash minus Phi-4 Reasoning 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

SpecGLM-5.3-FlashPhi-4 ReasoningEdge
Context window1M tokens33K tokensGLM-5.3-Flash
Max output131K tokens33K tokensGLM-5.3-Flash
Input price / 1M$0.15
Output price / 1M$0.5
Cached input / 1M$0.03
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$0.65
Modalitiestext · visiontextGLM-5.3-Flash
Released2026-09-162025-04-30
Cited benchmark scores194
Reliability

Provider status

All providers
More matchups

GLM-5.3-Flash vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GLM-5.3-Flash and Phi-4 Reasoning on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.