Back to Value Frontier

Z.ai: GLM 5 Turbo vs xAI: Grok 4

Head-to-head API cost, context, and performance comparison. Synced at 3:56:07 PM.

Executive Summary

When evaluating Z.ai: GLM 5 Turbo against xAI: Grok 4, the pricing structure is a key differentiator. Z.ai: GLM 5 Turbo is approximately 71% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, xAI: Grok 4 leads with a statistical ELO score of 1461. For tasks involving complex logic, coding, or instruction-following, developers might prefer xAI: Grok 4, provided their budget allows for the API burn rate.

Arbitrage Alert

You are losing 71%
per million tokens by hardcoding xAI: Grok 4.

Stop guessing exactly which model to route to. Deploy the 0ms Intelligence Engine to automatically arbitrage this 71% gap in your production environment instantly.

71% Instant Profit Margin Recovery
Node.js Enterprise SDK included

Raw Technical comparison

Metric
Z.ai: GLM 5 Turbo
xAI: Grok 4
Performance (ELO)
1461
1461
Input Cost / 1M
$1.20
$3.00
Output Cost / 1M
$4.00
$15.00
Context Window
202,752 tokens
256,000 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, Z.ai: GLM 5 Turbo wins out aggressively in pricing.

People Also Ask

Is Z.ai: GLM 5 Turbo cheaper than xAI: Grok 4?

Yes. Z.ai: GLM 5 Turbo is cheaper for both input and output generation compared to xAI: Grok 4. Exploring alternatives often yields cost reductions.

Which model has the larger context window?

The xAI: Grok 4 model has the advantage in memory, offering a massive 256,000 token limit for document ingestion.

Related Comparisons

Compare Z.ai: GLM 5 Turbo vs NVIDIA: Nemotron 3 Nano Omni (free)Compare Z.ai: GLM 5 Turbo vs Google: Gemma 4 31B (free)Compare Z.ai: GLM 5 Turbo vs Google: Lyria 3 Pro PreviewCompare Z.ai: GLM 5 Turbo vs MiniMax: MiniMax M2.5 (free)