💰 Unit Cost Winner GLM-5.3 $0.35/1M in · $1.00/1M out
⚡ Latency & Speed Winner GLM-5.3 160ms TTFT · 120 tok/s
💻 Coding (SWE) Winner GPT-6.1 Sol 86.4% SWE-bench · 96.8% HumanEval
🧠 STEM Reasoning Winner GPT-6.1 Sol 92.4% GPQA · 98.8% MATH-500

Which model is better: GLM-5.3 or GPT-6.1 Sol?

GLM-5.3 is 82.5% cheaper for input tokens ($0.35 vs. $2.00 per 1M tokens) and $1.00 vs. $10.00 for output tokens (5.7x cost advantage). In terms of operational performance, GLM-5.3 delivers lower response latency at 160ms TTFT (360ms faster than GPT-6.1 Sol) with 120 vs. 135 tok/s throughput. GPT-6.1 Sol leads coding evaluations at 86.4% SWE-bench Verified vs. 56.0% for GLM-5.3 and 92.4% vs. 67.0% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta (12 Dimensions)

Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.

Metric / Dimension GLM-5.3 GPT-6.1 Sol Net Delta / Advantage
Input Cost / 1M Tokens $0.35 $2.00 GLM-5.3 is 5.7x cheaper
Output Cost / 1M Tokens $1.00 $10.00 GLM-5.3 (90.0% lower)
Prompt Cache Read / 1M $0.090 $0.100 GLM-5.3 is 1.1x cheaper
Prompt Cache Write / 1M $0.35 $2.00 GLM-5.3 is 5.7x cheaper
Context Window (Max Output) 131k (16k out) 1,075k (128k out) GPT-6.1 Sol (8.2x larger context)
Avg TTFT Response Latency 160ms 520ms GLM-5.3 (360ms faster)
Generation Speed (Throughput) 120 tok/s 135 tok/s GPT-6.1 Sol (+15 tok/s faster)
SWE-bench Verified (Coding) 56% 86.4% GPT-6.1 Sol (+30.4% lead)
GPQA Diamond (PhD STEM) 67% 92.4% GPT-6.1 Sol (+25.4% lead)
MMLU-Pro (Multi-Discipline) 80.5% 91% GPT-6.1 Sol (+10.5% lead)
MATH-500 (Quantitative Logic) 88% 98.8% GPT-6.1 Sol (+10.8% lead)
Inference Value Score (IVR) 69.9 / 100 62.9 / 100 GLM-5.3 (+7 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

GLM-5.3 $10.50

$0.35/1M in · $1.00/1M out

Prompt Cache: $0.090/1M read · $0.35/1M write

GPT-6.1 Sol $76.25

$2.00/1M in · $10.00/1M out

Prompt Cache: $0.100/1M read · $2.00/1M write

Projected Monthly Cost Reduction
$65.75 / mo
(86.2% lower cost with GLM-5.3)
Open Full Matchup Analysis →
A

When to Choose GLM-5.3

Choose GLM-5.3 (Zhipu AI) for bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution — offering a 131k context window, 160ms TTFT, and $0.35/1M input pricing ($0.090/1M cached reads).

B

When to Choose GPT-6.1 Sol

Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: GLM-5.3 or GPT-6.1 Sol?

GLM-5.3 is cheaper at $0.35/1M input tokens ($1.00/1M output) compared to $2.00/1M input ($10.00/1M output) for GPT-6.1 Sol.

Which model has lower TTFT latency and higher tok/s throughput: GLM-5.3 or GPT-6.1 Sol?

GLM-5.3 delivers faster first-token latency at 160ms TTFT (120 tok/s throughput) compared to 520ms TTFT (135 tok/s) for GPT-6.1 Sol.

How do GLM-5.3 and GPT-6.1 Sol compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, GLM-5.3 scores 56% versus 86.4% for GPT-6.1 Sol. On GPQA Diamond graduate-level STEM reasoning, GLM-5.3 scores 67% versus 92.4% for GPT-6.1 Sol (and 88% vs 98.8% on MATH-500).

When should you choose GLM-5.3?

Choose GLM-5.3 (Zhipu AI) for bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution — offering a 131k context window, 160ms TTFT, and $0.35/1M input pricing ($0.090/1M cached reads).

When should you choose GPT-6.1 Sol?

Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M cached reads).

Explore High-Priority Related Model Matchups