💰 Unit Cost Winner GLM-5.3-Flash $0.12/1M in · $0.40/1M out
⚡ Latency & Speed Winner GLM-5.3-Flash 90ms TTFT · 175 tok/s
💻 Coding (SWE) Winner GLM-5.3-Flash 52.8% SWE-bench · 89% HumanEval
🧠 STEM Reasoning Winner GLM-5.3-Flash 63.5% GPQA · 84% MATH-500

Which model is better: Claude 3.5 Haiku or GLM-5.3-Flash?

GLM-5.3-Flash is 85.0% cheaper for input tokens ($0.12 vs. $0.80 per 1M tokens) and $0.40 vs. $4.00 for output tokens (6.7x cost advantage). In terms of operational performance, GLM-5.3-Flash delivers lower response latency at 90ms TTFT (100ms faster than Claude 3.5 Haiku) with 175 vs. 130 tok/s throughput. GLM-5.3-Flash leads coding evaluations at 52.8% SWE-bench Verified vs. 40.6% for Claude 3.5 Haiku and 63.5% vs. 41.6% 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 Claude 3.5 Haiku GLM-5.3-Flash Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $0.12 GLM-5.3-Flash is 6.7x cheaper
Output Cost / 1M Tokens $4.00 $0.40 GLM-5.3-Flash (90.0% lower)
Prompt Cache Read / 1M $0.080 $0.030 GLM-5.3-Flash is 2.7x cheaper
Prompt Cache Write / 1M $1.00 $0.12 GLM-5.3-Flash is 8.3x cheaper
Context Window (Max Output) 205k (8k out) 262k (16k out) GLM-5.3-Flash (1.3x larger context)
Avg TTFT Response Latency 190ms 90ms GLM-5.3-Flash (100ms faster)
Generation Speed (Throughput) 130 tok/s 175 tok/s GLM-5.3-Flash (+45 tok/s faster)
SWE-bench Verified (Coding) 40.6% 52.8% GLM-5.3-Flash (+12.2% lead)
GPQA Diamond (PhD STEM) 41.6% 63.5% GLM-5.3-Flash (+21.9% lead)
MMLU-Pro (Multi-Discipline) 71% 78.4% GLM-5.3-Flash (+7.4% lead)
MATH-500 (Quantitative Logic) 69.4% 84% GLM-5.3-Flash (+14.6% lead)
Inference Value Score (IVR) 52.4 / 100 76.7 / 100 GLM-5.3-Flash (+24.3 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

Claude 3.5 Haiku $31.00

$0.80/1M in · $4.00/1M out

Prompt Cache: $0.080/1M read · $1.00/1M write

GLM-5.3-Flash $3.88

$0.12/1M in · $0.40/1M out

Prompt Cache: $0.030/1M read · $0.12/1M write

Projected Monthly Cost Reduction
$27.13 / mo
(87.5% lower cost with GLM-5.3-Flash)
Open Full Matchup Analysis →
A

When to Choose Claude 3.5 Haiku

Choose Claude 3.5 Haiku (Anthropic) for rapid customer-facing chat, sub-agent routing, and real-time code autocomplete — offering a 204k context window, 190ms TTFT, and $0.80/1M input pricing ($0.080/1M cached reads).

B

When to Choose GLM-5.3-Flash

Choose GLM-5.3-Flash (Zhipu AI) for sub-100ms ultra-fast inference model designed for real-time customer support, document classification, and agentic workflows — offering a 262k context window, 90ms TTFT, and $0.12/1M input pricing ($0.030/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or GLM-5.3-Flash?

GLM-5.3-Flash is cheaper at $0.12/1M input tokens ($0.40/1M output) compared to $0.80/1M input ($4.00/1M output) for Claude 3.5 Haiku.

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

GLM-5.3-Flash delivers faster first-token latency at 90ms TTFT (175 tok/s throughput) compared to 190ms TTFT (130 tok/s) for Claude 3.5 Haiku.

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

On SWE-bench Verified software engineering, Claude 3.5 Haiku scores 40.6% versus 52.8% for GLM-5.3-Flash. On GPQA Diamond graduate-level STEM reasoning, Claude 3.5 Haiku scores 41.6% versus 63.5% for GLM-5.3-Flash (and 69.4% vs 84% on MATH-500).

When should you choose Claude 3.5 Haiku?

Choose Claude 3.5 Haiku (Anthropic) for rapid customer-facing chat, sub-agent routing, and real-time code autocomplete — offering a 204k context window, 190ms TTFT, and $0.80/1M input pricing ($0.080/1M cached reads).

When should you choose GLM-5.3-Flash?

Choose GLM-5.3-Flash (Zhipu AI) for sub-100ms ultra-fast inference model designed for real-time customer support, document classification, and agentic workflows — offering a 262k context window, 90ms TTFT, and $0.12/1M input pricing ($0.030/1M cached reads).

Explore High-Priority Related Model Matchups