Compare · ModelsLive · 2 picked · head to head
GLM 5.3 Flash vs Phi 4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.3 Flash wins on 9/9 benchmarks
GLM 5.3 Flash wins 9 of 9 shared benchmarks. Leads in speed · arena · knowledge.
Category leads
speed·GLM 5.3 Flasharena·GLM 5.3 Flashknowledge·GLM 5.3 Flashmath·GLM 5.3 Flash
Hype vs Reality
Attention vs performance
GLM 5.3 Flash
#169 by perf·#3 by attention
Phi 4
#196 by perf·#20 by attention
Best value
Phi 4
2.7x better value than GLM 5.3 Flash
GLM 5.3 Flash
135.7 pts/$
$0.33/M
Phi 4
372.4 pts/$
$0.11/M
Vendor risk
Who is behind the model
z-ai
private · undisclosed
Microsoft
$3.84T·Big Tech
Head to head
9 benchmarks · 2 models
GLM 5.3 FlashPhi 4
Artificial Analysis · CritPt
GLM 5.3 Flash leads by +15.4
GLM 5.3 Flash
15.4
Phi 4
0.0
Artificial Analysis · GPQA Diamond
GLM 5.3 Flash leads by +33.7
GLM 5.3 Flash
91.2
Phi 4
57.5
Artificial Analysis · Humanity's Last Exam
GLM 5.3 Flash leads by +36.1
GLM 5.3 Flash
39.9
Phi 4
3.8
Artificial Analysis · Long Context Reasoning
GLM 5.3 Flash leads by +80.0
GLM 5.3 Flash
80.0
Phi 4
0.0
Artificial Analysis · Quality Index
GLM 5.3 Flash leads by +35.9
GLM 5.3 Flash
41.8
Phi 4
5.9
Chatbot Arena Elo · Overall
GLM 5.3 Flash leads by +216.7
GLM 5.3 Flash
1473.0
Phi 4
1256.3
Chess Puzzles
GLM 5.3 Flash leads by +9.5
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GLM 5.3 Flash
9.5
Phi 4
0.0
GPQA diamond
GLM 5.3 Flash leads by +45.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GLM 5.3 Flash
86.9
Phi 4
41.4
OTIS Mock AIME 2024-2025
GLM 5.3 Flash leads by +80.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GLM 5.3 Flash
93.9
Phi 4
13.7
Full benchmark table
| Benchmark | GLM 5.3 Flash | Phi 4 |
|---|---|---|
Artificial Analysis · CritPt | 15.4 | 0.0 |
Artificial Analysis · GPQA Diamond | 91.2 | 57.5 |
Artificial Analysis · Humanity's Last Exam | 39.9 | 3.8 |
Artificial Analysis · Long Context Reasoning | 80.0 | 0.0 |
Artificial Analysis · Quality Index | 41.8 | 5.9 |
Chatbot Arena Elo · Overall | 1473.0 | 1256.3 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 9.5 | 0.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 86.9 | 41.4 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 93.9 | 13.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.15 | $0.50 | 1.0M tokens (~524 books) | $2.38 | |
| $0.07 | $0.14 | 16K tokens (~8 books) | $0.88 |