Compare / GLM-4.7-Flash vs GLM-5.3-Flash
GLM-4.7-Flash vs GLM-5.3-Flash
Which is cheaper, which is more capable, and which does better at each kind of work, from 11 results on 2 sources that measured both models.
Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).
GLM-4.7-Flash or GLM-5.3-Flash? The short answer
GLM-5.3-Flash is the newer version and scores higher (Intelligence Index 41.8 against 14.9), but GLM-4.7-Flash is cheaper (39% less per token): upgrade if the gain is worth the price.
- GLM-4.7-Flash is cheaper: $0.15 against $0.24 per million tokens, 39% less.
- GLM-5.3-Flash scores higher on the Artificial Analysis Intelligence Index: 41.8 against 14.9.
- GLM-5.3-Flash is newer: released 20 Aug 2026, against 19 Jan 2026 for GLM-4.7-Flash.
- On third-party benchmarks, on the results both models have: GLM-5.3-Flash does better for reasoning and knowledge, writing and sticking to the facts.
At a glance
| GLM-4.7-Flash | GLM-5.3-Flash | |
|---|---|---|
| Price per million tokens | $0.060 in · $0.40 out | $0.15 in · $0.50 out |
| Blended (3 in : 1 out) | $0.15 | $0.24 |
| Cheapest host, blended | $0.15 (Venice, FP8) | $0.12 (DeepInfra, FP4) |
| Cached input, per million | – | $0.030 cached input |
| Intelligence Index | 14.9 | 41.8 |
| Spring Prompt overall | – | – |
| Output speed, tokens a second | – | 49 |
| Context window | 200,000 tokens | 1,048,576 tokens |
| Released | 19 Jan 2026 | 20 Aug 2026 (newer) |
| Weights | Open | Open |
| Developer based in | China | China |
Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.
Which is better for what
Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.
| Use case | GLM-4.7-Flash | GLM-5.3-Flash |
|---|---|---|
| Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls | not measured | 12 of 164 |
| Professional workReal tasks from banking, consulting and law, business documents and freelance projects | not measured | 30 of 51 |
| Reasoning and knowledgeHard questions across science, maths and general knowledge | 142 of 198 | 30 of 198 |
| WritingWhat people prefer in blind comparisons, and judged writing quality | 150 of 188 | 29 of 188 |
| Sticking to the factsSummarising without inventing things, and factual answers | 109 of 152 | 30 of 152 |
| Speed under pressureGood decisions against a real clock (fast chess) | 23 of 23 | not measured |
Every shared result
Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.
| Measure | GLM-4.7-Flash | GLM-5.3-Flash |
|---|---|---|
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results | ||
| Overall · TextArena rating, higher is better | 1,365 | 1,473 |
| Overall · Text factualityArena rating, higher is better | 1,370 | 1,466 |
| Business, management and finance · TextArena rating, higher is better | 1,368 | 1,467 |
| Artificial Analysis reported by Artificial Analysis · 3 results | ||
| Artificial Analysis Intelligence Indexindex score, higher is better | 14.9 | 41.8 |
| GPQA Diamond% of questions, higher is better | 58.1% | 91.2% |
| Humanity's Last Exam% of questions, higher is better | 7.6% | 39.9% |
Show all 11 results (5 more)
| Measure | GLM-4.7-Flash | GLM-5.3-Flash |
|---|---|---|
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results | ||
| Creative writing · TextArena rating, higher is better | 1,307 | 1,433 |
| Expert prompts · TextArena rating, higher is better | 1,386 | 1,511 |
| Instruction following · TextArena rating, higher is better | 1,348 | 1,472 |
| Writing, literature and language · TextArena rating, higher is better | 1,331 | 1,448 |
| Artificial Analysis reported by Artificial Analysis · 1 result | ||
| Long-context reasoning (AA-LCR)% of questions, higher is better | 41.7% | 80.0% |
Quick answers
Is GLM-4.7-Flash better than GLM-5.3-Flash?
GLM-5.3-Flash is the newer version and scores higher (Intelligence Index 41.8 against 14.9), but GLM-4.7-Flash is cheaper (39% less per token): upgrade if the gain is worth the price.
Which is cheaper, GLM-4.7-Flash or GLM-5.3-Flash?
GLM-4.7-Flash is cheaper: $0.15 against $0.24 per million tokens, 39% less.
Run GLM-4.7-Flash and GLM-5.3-Flash on your own prompt
Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.