Which model is better: GLM-5.3 or o1?

**GLM-5.3 outperforms o1 while delivering an overwhelming 42.9x cost advantage.** At $0.35 per million input tokens (97.7% cheaper) and $1.00 for outputs versus o1’s $60.00, it drastically slashes expenses. GLM-5.3 also dominates coding with a 56.0% SWE-bench score versus 48.9%, operating with a 160ms TTFT that is 2440ms faster than o1.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension GLM-5.3 o1 Net Delta / Advantage
Input Cost / 1M Tokens $0.35 $15.00 GLM-5.3 is 42.9x cheaper
Output Cost / 1M Tokens $1.00 $60.00 GLM-5.3 (98.3% lower)
Prompt Cache Read / 1M $0.090 $7.500 GLM-5.3 is 83.3x cheaper
Prompt Cache Write / 1M $0.35 $15.00 GLM-5.3 is 42.9x cheaper
Avg TTFT Response Latency 160ms 2600ms GLM-5.3 (+2440ms faster)
SWE-bench Verified (Coding) 56% 48.9% GLM-5.3 (+7.1% lead)
Inference Value Score (IVR) 70.5 / 100 35.5 / 100 GLM-5.3 (+35 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

GLM-5.3 $6.00

$0.35/1M in · $1.00/1M out

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

o1 $300.00

$15.00/1M in · $60.00/1M out

Prompt Cache: $7.500/1M read · $15.00/1M write

Projected Monthly Cost Reduction
$294.00 / mo
(98.0% lower cost with GLM-5.3)
A

When to Choose GLM-5.3

Choose GLM-5.3 when you need Bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution. and have an infrastructure budget aligned with $0.35/1M tokens.

B

When to Choose o1

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Related Questions & Decision Factors

Which is cheaper: GLM-5.3 or o1?

GLM-5.3 is cheaper at $0.35/1M input tokens compared to $15.00/1M for o1.

Which model has lower latency: GLM-5.3 or o1?

GLM-5.3 delivers faster response times with an average TTFT of 160ms vs 2600ms for o1.

When should you choose GLM-5.3?

Choose GLM-5.3 when you need Bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution. and have an infrastructure budget aligned with $0.35/1M tokens.

When should you choose o1?

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Explore Related Model Matchups