GLM-4.5-Flash vs Nova Micro
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
| Specification |
GLM-4.5-FlashFree · limited-time
by Z.AI
|
by Amazon
|
|---|---|---|
| Overview | ||
| Status | Current budget Open weights | Current budget |
| Released | ||
| Pricing per million tokens | ||
| Input | $0/Mtok | $0.035/Mtok |
| Output | $0/Mtok | $0.140/Mtok |
| Blended avg | $0/Mtok | $0.061/Mtok |
| Price basis | Limited-time free tier ($0/$0). Z.AI has not published an end date — verify current pricing before relying on $0. | — |
| Specifications | ||
| Context window | 128K tokens | 128K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
text
|
text
|
| Benchmarks sources: public leaderboards / Vellum LLM Leaderboard | ||
| Avg benchmark score | — | 40 |
| Perf / dollar | — | 653.1 |
| GPQA Diamond | — | 40 |
| SWE-Bench Verified | — | 10 vendor |
| Humanity's Last Exam | — | 5 vendor |
| ARC-AGI 2 | — | 4 vendor |
| AIME 2025 | — | 20 vendor |
| MMMLU | — | 62 vendor |
| BFCL | — | 42 vendor |
| HumanEval | — | 68 vendor |
| MATH 500 | — | 42 vendor |
| Providers | ||
| Available from |
Z.AI — $0/Mtok
|
Amazon — $0.035/$0.140/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | GLM-4.5-Flash | Nova Micro | Savings |
|---|---|---|---|
| 1M tokens | $0 | $0.06 | $0.06 (98%) |
| 10M tokens | $0 | $0.61 | $0.61 (99.6%) |
| 100M tokens | $0 | $6.13 | $6.13 (100.1%) |
| 1000M tokens | $0 | $61.25 | $61.25 (100%) |
When to pick which
distilled from the pricing and spec data above- cost dominates: free at list price vs $0.061 — 100% less on the same 50/50 token mix
- you want open weights — self-host it, fine-tune it, or exit the API entirely; Nova Micro is closed
- this pairing gives Nova Micro no edge on price, context, cache discount, or measured performance — pick it only for qualitative fit (ecosystem, compliance, model behavior on your prompts)
The cheaper option here — GLM-4.5-Flash costs $0/Mtok blended on Z.AI.
Summary
GLM-4.5-Flash by Z.AI costs $0/Mtok input, with a 128K-token context window. It supports text input.
Nova Micro by Amazon costs $0.035/Mtok input and $0.140/Mtok output, with a 128K-token context window. It supports text input.
At list price, GLM-4.5-Flash is currently free (Nova Micro costs $0.061/Mtok blended); free tiers are usually rate-limited.
The two aren't directly comparable on average benchmark score: Nova Micro has published per-benchmark results, while GLM-4.5-Flash does not yet.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.