💰 Unit Cost Winner Gemini 3.5 Flash-Lite $0.075/1M in · $0.30/1M out
⚡ Latency & Speed Winner Gemini 3.5 Flash-Lite 78ms TTFT · 265 tok/s
💻 Coding (SWE) Winner GLM-5.3 56% SWE-bench · 91.5% HumanEval
🧠 STEM Reasoning Winner Gemini 3.5 Flash-Lite 68.4% GPQA · 90.2% MATH-500

Which model is better: Gemini 3.5 Flash-Lite or GLM-5.3?

Gemini 3.5 Flash-Lite is 78.6% cheaper for input tokens ($0.07 vs. $0.35 per 1M tokens) and $0.30 vs. $1.00 for output tokens (4.7x cost advantage). In terms of operational performance, Gemini 3.5 Flash-Lite delivers lower response latency at 78ms TTFT (82ms faster than GLM-5.3) with 265 vs. 120 tok/s throughput. GLM-5.3 leads coding evaluations at 56.0% SWE-bench Verified vs. 55.4% for Gemini 3.5 Flash-Lite and 67.0% vs. 68.4% 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 3.5 Flash-Lite GLM-5.3 Net Delta / Advantage
Input Cost / 1M Tokens $0.07 $0.35 Gemini 3.5 Flash-Lite is 4.7x cheaper
Output Cost / 1M Tokens $0.30 $1.00 Gemini 3.5 Flash-Lite (70.0% lower)
Prompt Cache Read / 1M $0.015 $0.090 Gemini 3.5 Flash-Lite is 6.0x cheaper
Prompt Cache Write / 1M $0.07 $0.35 Gemini 3.5 Flash-Lite is 4.7x cheaper
Context Window (Max Output) 1,049k (33k out) 131k (16k out) Gemini 3.5 Flash-Lite (8.0x larger context)
Avg TTFT Response Latency 78ms 160ms Gemini 3.5 Flash-Lite (82ms faster)
Generation Speed (Throughput) 265 tok/s 120 tok/s Gemini 3.5 Flash-Lite (+145 tok/s faster)
SWE-bench Verified (Coding) 55.4% 56% GLM-5.3 (+0.6% lead)
GPQA Diamond (PhD STEM) 68.4% 67% Gemini 3.5 Flash-Lite (+1.4% lead)
MMLU-Pro (Multi-Discipline) 80.1% 80.5% GLM-5.3 (+0.4% lead)
MATH-500 (Quantitative Logic) 90.2% 88% Gemini 3.5 Flash-Lite (+2.2% lead)
Inference Value Score (IVR) 81.5 / 100 69.9 / 100 Gemini 3.5 Flash-Lite (+11.6 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 3.5 Flash-Lite $2.63

$0.07/1M in · $0.30/1M out

Prompt Cache: $0.015/1M read · $0.07/1M 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
$7.88 / mo
(75.0% lower cost with Gemini 3.5 Flash-Lite)
Open Full Matchup Analysis →
A

When to Choose Gemini 3.5 Flash-Lite

Choose Gemini 3.5 Flash-Lite (Google) for high-frequency data pipelines, real-time routing, large-scale document tagging, and ultra-low-cost conversational assistants — offering a 1,048k context window, 78ms TTFT, and $0.07/1M input pricing ($0.015/1M 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 3.5 Flash-Lite or GLM-5.3?

Gemini 3.5 Flash-Lite is cheaper at $0.075/1M input tokens ($0.30/1M output) compared to $0.35/1M input ($1.00/1M output) for GLM-5.3.

Which model has lower TTFT latency and higher tok/s throughput: Gemini 3.5 Flash-Lite or GLM-5.3?

Gemini 3.5 Flash-Lite delivers faster first-token latency at 78ms TTFT (265 tok/s throughput) compared to 160ms TTFT (120 tok/s) for GLM-5.3.

How do Gemini 3.5 Flash-Lite and GLM-5.3 compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemini 3.5 Flash-Lite scores 55.4% versus 56% for GLM-5.3. On GPQA Diamond graduate-level STEM reasoning, Gemini 3.5 Flash-Lite scores 68.4% versus 67% for GLM-5.3 (and 90.2% vs 88% on MATH-500).

When should you choose Gemini 3.5 Flash-Lite?

Choose Gemini 3.5 Flash-Lite (Google) for high-frequency data pipelines, real-time routing, large-scale document tagging, and ultra-low-cost conversational assistants — offering a 1,048k context window, 78ms TTFT, and $0.07/1M input pricing ($0.015/1M 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