---
title: "Z.ai: GLM 5.3 Flash — price, capability and what beats it · Undominated.ai"
canonical: https://undominated.ai/models/z-ai__glm-5.3-flash/
description: "Z.ai: GLM 5.3 Flash: $0.150/M in, $0.500/M out. Independent capability scores, and alternatives compared under recorded workload and capability requirements."
---

# Z.ai: GLM 5.3 Flash — price, capability and what beats it · Undominated.ai

> Z.ai: GLM 5.3 Flash: $0.150/M in, $0.500/M out. Independent capability scores, and alternatives compared under recorded workload and capability requirements.

[Check base rates for this workload](/check/z-ai__glm-5.3-flash/) [Cheaper alternatives](/alternatives/) [Family](/families/glm/) [Compare models](https://undominated.ai/compare/?models=z-ai%2Fglm-5.3-flash) Comparison context

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MODEL PROOF

# GLM 5.3 Flash

Z.ai · 26 Aug 2026

 Balanced Summarise Chat Code gen Agentic

FRONTIER

## Nothing is both better and cheaper under this workload.

 **$0.238** / 1M tokens Balanced · 3 tokens in per 1 out

Serving precision differs between offers.

Evidence as of 06 Oct 2026

 [openrouter/models](https://openrouter.ai/api/v1/models) [LMArena · cc-by-4.0](https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset) Independent LMArena score 1,469.6 ± 5.32 · 22,971 votes
 Context window 1.05M
 Maximum output 943.72K
 Input modalities text, image, video
 Output modalities text
 Published input price $0.150 / 1M tokens
 Published output price $0.500 / 1M tokens
 Pricing kind fixed

Inspect [complete billing conditions](#billing-details) and endpoint terms below.

Price from Z.AI: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.

Cheaper right now: $0.119/M at DeepInfra — promotion 50% · 4-bit It does not pass the like-for-like test, so it never sets a rank.

 Every price dimension · USD per million tokens

| Input | $0.150 /M |
| --- | --- |
| Output | $0.500 /M |
| Cached input | $0.030 /M |
| Cache write | Unknown /M |
| Cache write 1h | Unknown /M |
| Reasoning | Unknown /M |

### Who sells it

The same weights, different shops. Cheapest is not like-for-like when serving precision differs.

Headline cheapest is a lower precision. Like-for-like at the best declared precision is $0.150/M from BaseTen.

 33 provider offers · rates, limits and conditions

Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.

| Seller | Input | Output | Precision | Uptime (1d) |
| --- | --- | --- | --- | --- |
| Seller Relace relace Endpoint terms Cached input /M $0.028 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.81% | Input $0.028 | Output $0.500 | Precision undeclared | Uptime (1d) 99.86% |
| Seller OpenInference open-inference/fp4 Endpoint terms Cached input /M $0.031 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.93% | Input $0.031 | Output $0.688 | Precision fp4 | Uptime (1d) 99.25% |
| Seller Sail Research sail-research/us Endpoint terms Cached input /M $0.029 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.44% | Input $0.045 | Output $0.600 | Precision fp4 | Uptime (1d) 98.64% |
| Seller Sail Research sail-research/fp4 Endpoint terms Cached input /M $0.029 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.14% | Input $0.045 | Output $0.600 | Precision fp4 | Uptime (1d) 98.47% |
| Seller DeepInfra deepinfra/fp4 Endpoint terms Cached input /M $0.015 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 50% · already included in these rates Uptime · last 30 minutes 97.56% | Input $0.075 | Output $0.250 | Precision fp4 | Uptime (1d) 99.20% |
| Seller InferenceNet inference-net/fp4 Endpoint terms Cached input /M $0.025 Context limit 1,048,576 tokens Output limit 262,144 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.21% | Input $0.080 | Output $0.500 | Precision fp4 | Uptime (1d) 99.85% |
| Seller Novita novita/fp8 Endpoint terms Cached input /M $0.017 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 44% · already included in these rates Uptime · last 30 minutes 98.81% | Input $0.084 | Output $0.280 | Precision fp8 | Uptime (1d) 92.49% |
| Seller StreamLake streamlake/fp8 Endpoint terms Cached input /M $0.017 Context limit 1,024,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 42% · already included in these rates Uptime · last 30 minutes 99.20% | Input $0.087 | Output $0.290 | Precision fp8 | Uptime (1d) 99.10% |
| Seller Decart decart/fp4 Endpoint terms Cached input /M $0.017 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 42% · already included in these rates Uptime · last 30 minutes 99.94% | Input $0.087 | Output $0.290 | Precision fp4 | Uptime (1d) 98.88% |
| Seller GMICloud gmicloud/fp8 Endpoint terms Cached input /M $0.018 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 40% · already included in these rates Uptime · last 30 minutes 98.56% | Input $0.090 | Output $0.300 | Precision fp8 | Uptime (1d) 91.84% |
| Seller Wafer wafer Endpoint terms Cached input /M $0.095 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.99% | Input $0.100 | Output $0.500 | Precision undeclared | Uptime (1d) 99.90% |
| Seller DekaLLM dekallm Endpoint terms Cached input /M $0.040 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.80% | Input $0.100 | Output $1.00 | Precision undeclared | Uptime (1d) 99.66% |
| Seller Near AI near-ai/fp8 Endpoint terms Cached input /M $0.025 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 30% · already included in these rates Uptime · last 30 minutes 99.56% | Input $0.105 | Output $0.350 | Precision fp8 | Uptime (1d) 99.66% |
| Seller Phala phala/fp8 Endpoint terms Cached input /M $0.023 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 25% · already included in these rates Uptime · last 30 minutes 99.04% | Input $0.113 | Output $0.375 | Precision fp8 | Uptime (1d) 98.31% |
| Seller BaseTen baseten/fp8 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $0.150 | Output $0.500 | Precision fp8 | Uptime (1d) 99.91% |
| Seller AtlasCloud atlas-cloud/fp8 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 98.57% | Input $0.150 | Output $0.500 | Precision fp8 | Uptime (1d) 80.48% |
| Seller SiliconFlow siliconflow/fp8 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 262,144 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.36% | Input $0.150 | Output $0.500 | Precision fp8 | Uptime (1d) 98.94% |
| Seller BaseTen baseten/fp8 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.99% | Input $0.150 | Output $0.500 | Precision fp8 | Uptime (1d) 99.96% |
| Seller Z.AI z-ai/fp8 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 98.37% | Input $0.150 | Output $0.500 | Precision fp8 | Uptime (1d) 98.90% |
| Seller Crusoe crusoe/fp4 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.92% | Input $0.150 | Output $0.500 | Precision fp4 | Uptime (1d) 99.67% |
| Seller Parasail parasail/fp4 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.20% | Input $0.150 | Output $0.500 | Precision fp4 | Uptime (1d) 99.68% |
| Seller Modal modal/nvfp4 Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.07% | Input $0.150 | Output $0.500 | Precision nvfp4 | Uptime (1d) 99.37% |
| Seller CoreWeave coreweave/nvfp4 Endpoint terms Cached input /M $0.050 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.89% | Input $0.150 | Output $0.500 | Precision nvfp4 | Uptime (1d) 99.94% |
| Seller Fireworks fireworks Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.91% | Input $0.150 | Output $0.500 | Precision undeclared | Uptime (1d) 96.10% |
| Seller Friendli friendli Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.90% | Input $0.150 | Output $0.500 | Precision undeclared | Uptime (1d) 99.15% |
| Seller DigitalOcean digitalocean Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 97.97% | Input $0.150 | Output $0.500 | Precision undeclared | Uptime (1d) 99.67% |
| Seller Together together Endpoint terms Cached input /M $0.030 Context limit 1,048,575 tokens Output limit 943,717 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.66% | Input $0.150 | Output $0.500 | Precision undeclared | Uptime (1d) 99.68% |
| Seller Venice venice Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 97.41% | Input $0.150 | Output $0.500 | Precision undeclared | Uptime (1d) 98.59% |
| Seller Morph morph/fp8 Endpoint terms Cached input /M $0.040 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $0.185 | Output $0.646 | Precision fp8 | Uptime (1d) 96.93% |
| Seller Inceptron inceptron/fp8 Endpoint terms Cached input /M $0.090 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 96.65% | Input $0.225 | Output $0.600 | Precision fp8 | Uptime (1d) 97.94% |
| Seller Fireworks fireworks/us Endpoint terms Cached input /M $0.045 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.87% | Input $0.225 | Output $0.750 | Precision undeclared | Uptime (1d) 99.13% |
| Seller Cloudflare cloudflare Endpoint terms Cached input /M $0.030 Context limit 1,048,576 tokens Output limit 943,718 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.71% | Input $0.300 | Output $1.00 | Precision undeclared | Uptime (1d) 99.19% |
| Seller Reka reka Endpoint terms Cached input /M $0.070 Context limit 262,144 tokens Output limit 235,929 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount 30% · already included in these rates Uptime · last 30 minutes 98.17% | Input $0.350 | Output $1.75 | Precision undeclared | Uptime (1d) 99.68% |

### Independent scores

| LMArena Elo | 1469.6 default |
| --- | --- |

LMArena Elo under CC BY 4.0. Absence of another board is not a score of zero.

#### Best rankings by task

 - SVG #10 1289
- UI components #11 1324
- 3D #11 1327
- ASCII art #12 1276
- Code categories #17 1288
- Game development #17 1294
- Websites #21 1280
- Data visualisation #24 1272

Per-task Elo and rank from [Design Arena](https://designarena.ai), via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.

### Capability

| Context window | 1M |
| --- | --- |
| Max output | 943K |
| Input modes | text, image, video |
| Tool use | yes |
| Reasoning | always on |
| Open weights | Unknown |

### Provenance

| Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) |
| --- | --- |
| Fetched | 2026-10-06 |
| Quality data | verified |

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

## Questions this page answers

 What does GLM 5.3 Flash cost?

$0.150/M in, $0.500/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.

 Does GLM 5.3 Flash have an independent quality score?

GLM 5.3 Flash has an LMArena score in this catalogue.

 What beats GLM 5.3 Flash?

Nothing is both better and cheaper than GLM 5.3 Flash.

 Does this page use Artificial Analysis scores for GLM 5.3 Flash?

No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.

 Is the cheapest GLM 5.3 Flash endpoint the same product?

Headline cheapest is a lower precision. Like-for-like at the best declared precision is $0.150/M from BaseTen.

MODEL MONUMENT

## Save or share this proof

 Download proof card · 1200 × 630 Preview and more sharing options

Z.ai: GLM 5.3 Flash. Balanced workload. Frontier. Evidence as of 06 Oct 2026.

 Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card

## Related

 - Side by side [GLM 5.3](/compare/z-ai__glm-5.3--vs--z-ai__glm-5.3-flash/)
- Nearby on the capability axis [GLM 5.2](/models/z-ai__glm-5.2/)
- Same vendor [GLM 5.1](/models/z-ai__glm-5.1/)
- Z.ai models [Z.ai](/providers/z-ai/)
- Where this model appears [frontier](/frontier/)
- Side by side [DeepSeek V4.1 Flash](/compare/deepseek__deepseek-v4.1-flash--vs--z-ai__glm-5.3-flash/)
- Nearby on the capability axis [GPT-5.5](/models/openai__gpt-5.5/)
- Same vendor [GLM 5](/models/z-ai__glm-5/)
- Where this model appears [knee](/knee/)
- Side by side [MiMo-V2.6-Pro](/compare/xiaomi__mimo-v2.6-pro--vs--z-ai__glm-5.3-flash/)
- Nearby on the capability axis [GLM 5.3](/models/z-ai__glm-5.3/)
- Same vendor [GLM 4.6](/models/z-ai__glm-4.6/)

## Badge

The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.

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Direct file: [https://undominated.ai/badge/z-ai__glm-5.3-flash.svg](https://undominated.ai/badge/z-ai__glm-5.3-flash.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy.

## Continue your investigation

 - [Explore model families](/families/)
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