Compare · ModelsLive · 2 picked · head to head

GLM 5.3 Flash vs GPT-4.1

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GLM 5.3 Flash wins 6 of 6 shared benchmarks. Leads in reasoning · knowledge · math.

Category leads
reasoning·GLM 5.3 Flashknowledge·GLM 5.3 Flashmath·GLM 5.3 Flash
Hype vs Reality
GLM 5.3 Flash
#151 by perf·#3 by attention
DESERVED
GPT-4.1
#201 by perf·no signal
QUIET
Best value
102.4x better value than GPT-4.1
GLM 5.3 Flash
813.2 pts/$
$0.06/M
GPT-4.1
7.9 pts/$
$5.00/M
Vendor risk
z-ai logo
z-ai
private · undisclosed
Unknown
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
GLM 5.3 FlashGPT-4.1
ARC-AGI
GLM 5.3 Flash leads by +85.5
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GLM 5.3 Flash
91.0
GPT-4.1
5.5
ARC-AGI-2
GLM 5.3 Flash leads by +65.4
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GLM 5.3 Flash
65.8
GPT-4.1
0.4
Chess Puzzles
GLM 5.3 Flash leads by +10.5
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GLM 5.3 Flash
16.9
GPT-4.1
6.4
FrontierMath-Tiers-1-3-v2-Private
GLM 5.3 Flash leads by +52.4
GLM 5.3 Flash
58.7
GPT-4.1
6.3
GPQA diamond
GLM 5.3 Flash leads by +34.6
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
90.5
GPT-4.1
55.9
OTIS Mock AIME 2024-2025
GLM 5.3 Flash leads by +55.6
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GLM 5.3 Flash
93.9
GPT-4.1
38.3
Full benchmark table
BenchmarkGLM 5.3 FlashGPT-4.1
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
91.05.5
ARC-AGI-2
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
65.80.4
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
16.96.4
FrontierMath-Tiers-1-3-v2-Private
58.76.3
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
90.555.9
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
93.938.3
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
z-ai logoGLM 5.3 Flash$0.04$0.081.0M tokens (~524 books)$0.50
OpenAI logoGPT-4.1$2.00$8.001.0M tokens (~524 books)$35.00