Claude Haiku 4.5 vs GLM-5
Anthropic against Z.ai (GLM), costed on the same three workloads. GLM-5 is cheaper on all three workloads.
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Monthly bill, side by side
| Workload | Claude Haiku 4.5 | GLM-5 | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$4,028 | $3,298 | $729 (+22%) |
| Document summarizer 1,000 single-shot summaries a day |
$486 | $443 | $43.20 (+10%) |
| Coding agent 200 twelve-turn sessions a day |
$2,808 | $2,484 | $324 (+13%) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Claude Haiku 4.5 | GLM-5 | |
|---|---|---|
| Input, per 1M tokens | $1 | $1 |
| Output, per 1M tokens | $5 | $3.2 |
| Cached input | $0.1 | $0.2 |
| Context window | 200K | 200K |
| Maximum output | 64K | 128K |
| Reasoning model | yes | yes |
| Vision | yes | no |
Beyond the price
- GLM-5 can write up to 128K tokens in one response, against 64K for Claude Haiku 4.5.
- Only Claude Haiku 4.5 accepts images as input.
- Cached input costs 90% less than fresh input on Claude Haiku 4.5 and 80% less on GLM-5, which matters most for workloads that resend the same prompt.
- Only Claude Haiku 4.5 offers a batch discount — 50% off both rates for work that can wait.
Run this comparison on your own numbers
Full detail: Claude Haiku 4.5 pricing · GLM-5 pricing
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Common questions
Which is cheaper, Claude Haiku 4.5 or GLM-5?
GLM-5 is cheaper on all three workloads.
How much would Claude Haiku 4.5 and GLM-5 cost each month?
On PromptSpend's standard workloads, per month: support chatbot: Claude Haiku 4.5 $4,028, GLM-5 $3,298 (GLM-5 is cheaper by $729); document summarizer: Claude Haiku 4.5 $486, GLM-5 $443 (GLM-5 is cheaper by $43.20); coding agent: Claude Haiku 4.5 $2,808, GLM-5 $2,484 (GLM-5 is cheaper by $324). No prompt caching and no batch discount is assumed.
How do Claude Haiku 4.5 and GLM-5 differ apart from price?
GLM-5 can write up to 128K tokens in one response, against 64K for Claude Haiku 4.5. Only Claude Haiku 4.5 accepts images as input. Cached input costs 90% less than fresh input on Claude Haiku 4.5 and 80% less on GLM-5, which matters most for workloads that resend the same prompt. Only Claude Haiku 4.5 offers a batch discount — 50% off both rates for work that can wait.