Anthropic: Claude 3.5 Haiku vs Z.ai: GLM 5.1
Head-to-head API cost, context, and performance comparison. Synced at 2:33:55 PM.
Executive Summary
When evaluating Anthropic: Claude 3.5 Haiku against Z.ai: GLM 5.1, the pricing structure is a key differentiator. Z.ai: GLM 5.1 is approximately 5% more cost-effective per 1 million tokens overall.
However, when looking at raw reasoning capabilities, Anthropic: Claude 3.5 Haiku leads with a statistical ELO score of 1421. For tasks involving complex logic, coding, or instruction-following, developers might prefer Anthropic: Claude 3.5 Haiku, provided their budget allows for the API burn rate.
Raw Technical comparison
Verdict
If you are looking for pure performance and capability, Anthropic: Claude 3.5 Haiku is statistically superior. However, if API burn rate is the primary concern, Z.ai: GLM 5.1 wins out aggressively in pricing.
People Also Ask
Is Anthropic: Claude 3.5 Haiku cheaper than Z.ai: GLM 5.1?
No. Z.ai: GLM 5.1 is the more cost-effective model, operating at a lower price point per 1 million tokens.
Which model has the larger context window?
The Z.ai: GLM 5.1 model has the advantage in memory, offering a massive 202,752 token limit for document ingestion.