// head_to_head
LFM2.5-24B-A2B vs GLM 5.3 Flash
Published LiveBench scores across all seven categories, live list pricing, context windows, and the measured cost of a point of capability — for both models, side by side.
LFM2.5-24B-A2B is the cheaper of the two; neither can be ranked on quality here.
LFM2.5-24B-A2B does not have a published LiveBench run, so this comparison covers price, context and declared capabilities only. A missing score means "not evaluated", not "worse" — the right way to separate these two is an eval on your own workload.
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LFM2.5-24B-A2B
- Blended / 1M
- $0.212
- Context
- 128K
- Released
- Oct 13, 2026
- Overall score
- Not evaluated
z-ai
GLM 5.3 Flash
- Blended / 1M
- $0.245
- Context
- 1.0M
- Released
- Aug 26, 2026
- Overall score
- 70.6
Specs and pricing
| Metric | LFM2.5-24B-A2B | GLM 5.3 Flash |
|---|---|---|
| LiveBench overall Mean of the seven LiveBench category scores, 0–100. Higher is better. | — | 70.6 |
| Cost per point Measured benchmark spend divided by overall score — dollars per point of capability. | — | $0.1008 |
| Blended price / 1M 3:1 input:output mix, the usual shape of production traffic. | $0.212win | $0.245 |
| Input price / 1M | $0.050 | $0.026win |
| Output price / 1M | $0.700win | $0.900 |
| Cached input / 1M Price of an input token served from the prompt cache, where the provider publishes one. | $0.025 | $0.011win |
| Context window | 128K | 1.0Mwin |
| Max output tokens | 8K | 944Kwin |
Benchmarks by category
An overall score averages away the thing you probably care about. These are the seven LiveBench categories scored separately — LFM2.5-24B-A2B on top, GLM 5.3 Flash below, both out of 100.
What each one costs to run
Per-token prices are hard to feel. These are monthly list costs for both models across five workload shapes, using each provider's published cached-input rate where there is one.
| Workload | LFM2.5-24B-A2B | GLM 5.3 Flash |
|---|---|---|
| Support chatbot 1.2K in / 400 out × 200K requests | $66.20/mo | $77.16/mo |
| RAG assistant 8K in / 600 out × 100K requests | $72.00/mo | $68.76/mo |
| Coding agent 40K in / 4K out × 20K requests | $82.00/mo | $84.31/mo |
| Document extraction 20K in / 1.5K out × 50K requests | $101.25/mo | $92.83/mo |
| Bulk classification 500 in / 20 out × 5M requests | $182.50/mo | $147.60/mo |
Which should you pick?
You need to fit large documents in one call
GLM 5.3 Flash
Wider context window — 1.0M against 128K.
You are cost-constrained
LFM2.5-24B-A2B
Cheaper on blended list price at $0.212 per million tokens.
LFM2.5-24B-A2B vs GLM 5.3 Flash FAQ
Which is better, LFM2.5-24B-A2B or GLM 5.3 Flash?
LFM2.5-24B-A2B is the cheaper of the two; neither can be ranked on quality here. LFM2.5-24B-A2B does not have a published LiveBench run, so this comparison covers price, context and declared capabilities only. A missing score means "not evaluated", not "worse" — the right way to separate these two is an eval on your own workload.
Is LFM2.5-24B-A2B cheaper than GLM 5.3 Flash?
LFM2.5-24B-A2B is cheaper. On a 3:1 input:output blend, LFM2.5-24B-A2B lists at $0.212 per million tokens and GLM 5.3 Flash at $0.245 — LFM2.5-24B-A2B is 15% cheaper. Input and output are priced separately — LFM2.5-24B-A2B charges $0.050 in and $0.700 out, GLM 5.3 Flash charges $0.026 and $0.900 — so the model that looks cheaper flips depending on how output-heavy your workload is.
Does LFM2.5-24B-A2B or GLM 5.3 Flash have a bigger context window?
GLM 5.3 Flash has the larger context window: 128K for LFM2.5-24B-A2B against 1.0M for GLM 5.3 Flash. Note that a window you can fill is not a window you should fill — retrieval quality usually degrades well before the limit, and you pay for every token you put in it.
Do LFM2.5-24B-A2B and GLM 5.3 Flash support prompt caching?
Both publish a cached-input rate: $0.025 per million for LFM2.5-24B-A2B and $0.011 for GLM 5.3 Flash, against full input rates of $0.050 and $0.026. On a workload with a long stable prefix — a system prompt, a tool schema, a retrieved corpus — that changes the economics more than the headline price does.
Related comparisons
How these numbers are produced
- Price — provider list price from OpenRouter, refreshed every 15 minutes. “Blended” is a 3:1 input:output mix.
- Scores — LiveBench release 2026-09-02, using their own category map. Each model shows its strongest published run. A blank means “not evaluated”, never “bad”.
- Cost per point — the measured dollars LiveBench spent on the run, divided by the score it earned.
- “Win” — awarded only past a threshold: one full point on a benchmark score, 10% on a price, 25% on a context window. Anything tighter reports as a tie, because effort settings alone move a LiveBench score by more than that.
Published benchmarks rank models on someone else's tasks. Before committing, see LLM & agent evaluation for building an eval on your own.