💰 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 Gemini 2.5 Pro 63.8% SWE-bench · 89.8% HumanEval
🧠 STEM Reasoning Winner Gemini 2.5 Pro 74% GPQA · 95% MATH-500

Which model is better: Gemini 2.5 Pro or GLM-5.3?

GLM-5.3 is 72.0% cheaper for input tokens ($0.35 vs. $1.25 per 1M tokens) and $1.00 vs. $10.00 for output tokens (3.6x cost advantage). In terms of operational performance, GLM-5.3 delivers lower response latency at 160ms TTFT (540ms faster than Gemini 2.5 Pro) with 120 vs. 80 tok/s throughput. Gemini 2.5 Pro leads coding evaluations at 63.8% SWE-bench Verified vs. 56.0% for GLM-5.3 and 74.0% 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 Gemini 2.5 Pro GLM-5.3 Net Delta / Advantage
Input Cost / 1M Tokens $1.25 $0.35 GLM-5.3 is 3.6x cheaper
Output Cost / 1M Tokens $10.00 $1.00 GLM-5.3 (90.0% lower)
Prompt Cache Read / 1M $0.313 $0.090 GLM-5.3 is 3.5x cheaper
Prompt Cache Write / 1M $1.25 $0.35 GLM-5.3 is 3.6x cheaper
Context Window (Max Output) 1,024k (66k out) 131k (16k out) Gemini 2.5 Pro (7.8x larger context)
Avg TTFT Response Latency 700ms 160ms GLM-5.3 (540ms faster)
Generation Speed (Throughput) 80 tok/s 120 tok/s GLM-5.3 (+40 tok/s faster)
SWE-bench Verified (Coding) 63.8% 56% Gemini 2.5 Pro (+7.8% lead)
GPQA Diamond (PhD STEM) 74% 67% Gemini 2.5 Pro (+7.0% lead)
MMLU-Pro (Multi-Discipline) 85.2% 80.5% Gemini 2.5 Pro (+4.7% lead)
MATH-500 (Quantitative Logic) 95% 88% Gemini 2.5 Pro (+7.0% lead)
Inference Value Score (IVR) 56.8 / 100 69.9 / 100 GLM-5.3 (+13.1 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

Gemini 2.5 Pro $69.53

$1.25/1M in · $10.00/1M out

Prompt Cache: $0.313/1M read · $1.25/1M write

GLM-5.3 $10.50

$0.35/1M in · $1.00/1M out

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

Projected Monthly Cost Reduction
$59.03 / mo
(84.9% lower cost with GLM-5.3)
Open Full Matchup Analysis →
A

When to Choose Gemini 2.5 Pro

Choose Gemini 2.5 Pro (Google) for long-context document and video analysis, large codebase ingestion, and multimodal reasoning — offering a 1,024k context window, 700ms TTFT, and $1.25/1M input pricing ($0.312/1M cached reads).

B

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).

Related Questions & Decision Factors

Which is cheaper: Gemini 2.5 Pro or GLM-5.3?

GLM-5.3 is cheaper at $0.35/1M input tokens ($1.00/1M output) compared to $1.25/1M input ($10.00/1M output) for Gemini 2.5 Pro.

Which model has lower TTFT latency and higher tok/s throughput: Gemini 2.5 Pro or GLM-5.3?

GLM-5.3 delivers faster first-token latency at 160ms TTFT (120 tok/s throughput) compared to 700ms TTFT (80 tok/s) for Gemini 2.5 Pro.

How do Gemini 2.5 Pro and GLM-5.3 compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemini 2.5 Pro scores 63.8% versus 56% for GLM-5.3. On GPQA Diamond graduate-level STEM reasoning, Gemini 2.5 Pro scores 74% versus 67% for GLM-5.3 (and 95% vs 88% on MATH-500).

When should you choose Gemini 2.5 Pro?

Choose Gemini 2.5 Pro (Google) for long-context document and video analysis, large codebase ingestion, and multimodal reasoning — offering a 1,024k context window, 700ms TTFT, and $1.25/1M input pricing ($0.312/1M cached reads).

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).

Explore High-Priority Related Model Matchups