# GLM-5.3

Model tracker · checked 2026-10-14 · https://dbggr.dev/models/glm-5-3/

GLM-5.3 is an everyday open-weight model from Z.ai, released 18 August 2026. At Z.ai it costs $1.40 per million input tokens and $4.40 per million output tokens, with a 1M-token context window. 10 providers serve it; the cheapest is Baseten at $1.40 input and $4.40 output.

- Made by: Z.ai
- Released: 2026-08-18
- Status: Generally available
- Tier: Everyday
- Weights: Open
- Context window: 1,000,000 tokens
- Max output: 128,000 tokens
- Input: text
- API id: glm-5.3
- Docs: https://docs.z.ai/guides/llm/glm-5.3

## GLM-5.3 price at 10 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Baseten | $1.40 | $4.40 | $0.14 | $2.15 | – | [2026-10-14](https://www.baseten.co/pricing/) |
| Cloudflare | $1.40 | $4.40 | $0.26 | $2.15 | – | [2026-10-14](https://developers.cloudflare.com/workers-ai/platform/pricing/) |
| Fireworks AI | $1.40 | $4.40 | $0.26 | $2.15 | 50% off | [2026-10-14](https://docs.fireworks.ai/serverless/pricing) |
| Mistral AI | $1.40 | $4.40 | $0.14 | $2.15 | 50% off | [2026-10-14](https://docs.mistral.ai/inference/pricing) |
| Modal Labs | $1.40 | $4.40 | $0.26 | $2.15 | – | [2026-10-14](https://modal.com/library/zai/glm-5-3) |
| Nebius Group N.V. | $1.40 | $4.40 | – | $2.15 | – | [2026-10-14](https://tokenfactory.nebius.com/model-catalog.md) |
| Novita AI | $1.40 | $4.40 | $0.26 | $2.15 | – | [2026-10-14](https://novita.ai/pricing) |
| Together AI | $1.40 | $4.40 | $0.26 | $2.15 | – | [2026-10-14](https://www.together.ai/pricing) |
| Z.ai | $1.40 | $4.40 | $0.26 | $2.15 | – | [2026-10-14](https://docs.z.ai/guides/overview/pricing) |
| AWS | $1.68 | $5.28 | $0.312 | $2.58 | 50% off | [2026-10-14](https://aws.amazon.com/bedrock/pricing/) |

- Baseten: GLM-5.3 Fast: $2.10 / $6.60.
- Cloudflare: Needs Workers Paid or AI Gateway credits. Billed in Neurons at $0.011 per 1,000; 10,000 Neurons a day free.
- Fireworks AI: US-hosted and Fast variants: $2.10 / $6.60. Priority tier: $1.75 / $5.50.
- Mistral AI: Third-party model hosted by Mistral (since 2026-09-15), served without Mistral modifications. Not yet on Mistral's US regional endpoint.
- Modal Labs: Modal Shared Endpoint, billed per token from us-west; plan credits can't be used for Shared Endpoint usage.
- Nebius Group N.V.: No cached-input or batch price published.
- Z.ai: Cached input storage free for a limited time.
- AWS: Amazon Bedrock, Global cross-region inference, Standard tier. US cross-region: $1.848 in / $0.3432 cached / $5.808 out. 30-minute cache write $2.10. Priority tier +75%; Flex and Batch 50% off.

## GLM-5.3 benchmarks

| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| LMArena text score | 1478 | Elo-style score from people voting between answers | [Independent](https://arena.ai/leaderboard/text) |

Scores reported by a model's maker aren't independently checked.

## Models like GLM-5.3

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| GLM-5.3 | $1.40 | $4.40 | 1M | Open |
| [Muse Spark 1.3](https://dbggr.dev/models/muse-spark-1-3/) | $1.25 | $4.25 | 1M | Closed |
| [DeepSeek V4 Pro](https://dbggr.dev/models/deepseek-v4-pro/) | $1.32 | $3.96 | 1M | Open |
| [Qwen3.8 Max](https://dbggr.dev/models/qwen3-8-max/) | $2.00 | $6.00 | 1M | Open |
| [Mistral Medium 3.5](https://dbggr.dev/models/mistral-medium-3-5/) | $1.50 | $7.50 | 256K | Open |
| [Grok 4.7](https://dbggr.dev/models/grok-4-7/) | $2.00 | $6.00 | 500K | Closed |

## FAQ

### How much does GLM-5.3 cost?

GLM-5.3 costs $1.40 per million input tokens and $4.40 per million output tokens at Z.ai, and $0.26 per million cached input tokens. Prices are list prices in US dollars, last checked 14 October 2026.

### What is GLM-5.3's context window?

GLM-5.3 takes up to 1,000,000 tokens in one request and writes up to 128,000 tokens in one response.

### Is GLM-5.3 open weight?

Yes. Z.ai publishes the weights, so you can run GLM-5.3 yourself or at any host that serves it.

### Where can I use GLM-5.3?

GLM-5.3 is available from Baseten, Cloudflare, Fireworks AI, Mistral AI, Modal Labs, Nebius Group N.V., Novita AI, Together AI, Z.ai and AWS. At Z.ai, call it as `glm-5.3`.