GLM 5.3 Flash pricing and routing profile
GLM 5.3 Flash from Z.ai lists at $0.15 per million input tokens and $0.50 per million output tokens, with a 1,310,720-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning controlLog probabilities
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.095 |
| Chat reply (2,000 in, 400 out) | $0.50 |
| Retrieval-augmented answer (8,000 in, 500 out) | $1.45 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Yes. 13 of 33 tracked hosts return token log probabilities for GLM 5.3 Flash, which is the confidence signal Gimbix uses to let a cheaper model answer first.
Measured by Gimbix
On 400 real BANKING77 customer messages, GLM 5.3 Flash answered 320 correctly (95% interval 75.8%–83.6%), with 1 invalid answers, at $0.0995 per 1,000 requests and a median of 1,687 ms. See all 22 models.
Who serves GLM 5.3 Flash
| Host | Input / output per 1M | Log probabilities | Uptime, last 30 min |
|---|---|---|---|
| InferenceNet | $0.045 / $0.14 | no | 99.8% |
| Sail Research | $0.045 / $0.60 | no | 99.3% |
| Sail Research | $0.045 / $0.60 | no | 99.4% |
| OpenInference | $0.05 / $0.50 | no | 100.0% |
| Relace | $0.07 / $0.50 | no | 99.9% |
| DeepInfra | $0.075 / $0.25 | no | 99.4% |
| GMICloud | $0.09 / $0.30 | no | 99.1% |
| Inceptron | $0.11 / $0.45 | yes | 96.2% |
| Novita | $0.113 / $0.375 | no | 98.1% |
| Decart | $0.128 / $0.425 | no | 98.4% |
| Phala | $0.128 / $0.425 | no | 99.2% |
| Io Net | $0.135 / $0.45 | yes | 99.7% |
| StreamLake | $0.141 / $0.47 | no | 99.2% |
| Modal | $0.15 / $0.50 | yes | 99.6% |
| BaseTen | $0.15 / $0.50 | no | 99.7% |
| Near AI | $0.15 / $0.50 | yes | 99.8% |
| Crusoe | $0.15 / $0.50 | no | 100.0% |
| CoreWeave | $0.15 / $0.50 | yes | 99.4% |
| AtlasCloud | $0.15 / $0.50 | no | 99.7% |
| Fireworks | $0.15 / $0.50 | yes | 99.8% |
| Friendli | $0.15 / $0.50 | no | 99.9% |
| SiliconFlow | $0.15 / $0.50 | no | 99.5% |
| DigitalOcean | $0.15 / $0.50 | yes | 100.0% |
| Together | $0.15 / $0.50 | yes | 99.8% |
| Reka | $0.15 / $0.50 | yes | 100.0% |
| Parasail | $0.15 / $0.50 | yes | 99.8% |
| BaseTen | $0.15 / $0.50 | no | 99.4% |
| Venice | $0.15 / $0.50 | no | 99.5% |
| Z.AI | $0.15 / $0.50 | no | 99.4% |
| Morph | $0.162 / $0.568 | yes | 100.0% |
| NextBit | $0.165 / $0.55 | no | 100.0% |
| Cloudflare | $0.30 / $1.00 | yes | 99.9% |
| Wafer | $1.00 / $0.50 | yes | 100.0% |
A host that lists log probabilities may still omit them; Gimbix checks each one before relying on it.
Cheaper models that can answer first
Models priced below GLM 5.3 Flash that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Qwen3 VL 8B Instruct | $0.117 / $0.455 | 17% |
| DeepSeek V4 Flash 0423 | $0.14 / $0.28 | 22% |
| Qwen3 VL 32B Instruct | $0.104 / $0.416 | 25% |
| Ternary Bonsai 2 27B | $0.075 / $0.50 | 30% |
| Nemotron 3 Super | $0.08 / $0.45 | 32% |
| Gemma 3 27B | $0.08 / $0.45 | 32% |
Compare GLM 5.3 Flash
- GLM 5.3 Flash vs Claude Opus 5.5
- GLM 5.3 Flash vs Claude Sonnet 5
- GLM 5.3 Flash vs Claude Fable 5.1
- GLM 5.3 Flash vs Claude Opus 5
- GLM 5.3 Flash vs GPT-6 Sol
- GLM 5.3 Flash vs GPT-6 Astra
- GLM 5.3 Flash vs GPT-5.6 Sol
- GLM 5.3 Flash vs GPT-5.6 Terra
- GLM 5.3 Flash vs GPT-5.5
- GLM 5.3 Flash vs GPT-5.4
- GLM 5.3 Flash vs Gemini 3.1 Pro Preview
- GLM 5.3 Flash vs Gemini 3.8 Flash
- GLM 5.3 Flash vs Grok 4.7
- GLM 5.3 Flash vs Qwen3.8 Max (0902)
- GLM 5.3 Flash vs Kimi K3
- GLM 5.3 Flash vs GLM 5.3
- GLM 5.3 Flash vs DeepSeek V4 Pro 0423
- GLM 5.3 Flash vs Mistral Large 3 2512
- GLM 5.3 Flash vs Nova Premier 1.0
- GLM 5.3 Flash vs Command A
- GLM 5.3 Flash vs GPT-6 Luna
- GLM 5.3 Flash vs GPT-5.6 Luna
- GLM 5.3 Flash vs GPT-5.4 Mini
- GLM 5.3 Flash vs GPT-5.4 Nano
- GLM 5.3 Flash vs GPT-4.1 Mini
- GLM 5.3 Flash vs gpt-oss-120b
- GLM 5.3 Flash vs gpt-oss-20b
- GLM 5.3 Flash vs Claude Haiku 4.5
- GLM 5.3 Flash vs Gemini 3.5 Flash Lite
- GLM 5.3 Flash vs Gemma 4 31B
- GLM 5.3 Flash vs DeepSeek V4.1 Flash
- GLM 5.3 Flash vs DeepSeek V4 Flash 0731
- GLM 5.3 Flash vs Hy4 preview
- GLM 5.3 Flash vs MiMo-V2.6-Flash
- GLM 5.3 Flash vs Nemotron 3.5 Lightning
- GLM 5.3 Flash vs Nemotron 3 Ultra
- GLM 5.3 Flash vs Qwen3.8 Flash
- GLM 5.3 Flash vs Qwen3.7 Flash
- GLM 5.3 Flash vs Qwen3.8 27B
- GLM 5.3 Flash vs MiniMax M3
- GLM 5.3 Flash vs Kimi K2.6
- GLM 5.3 Flash vs Mistral Small 4
- GLM 5.3 Flash vs Ministral 3 8B 2512
- GLM 5.3 Flash vs Llama 4 Maverick
- GLM 5.3 Flash vs Llama 3.3 70B Instruct
- GLM 5.3 Flash vs Nova Lite 1.0
- GLM 5.3 Flash vs Nova Micro 1.0
- GLM 5.3 Flash vs Command R7B (12-2024)
- GLM 5.3 Flash vs Phi 4
Questions
How much does GLM 5.3 Flash cost?
GLM 5.3 Flash lists at $0.15 per million input tokens and $0.50 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.50 per 1,000 requests.
What is the context window of GLM 5.3 Flash?
1,310,720 tokens.
Can a cheaper model replace GLM 5.3 Flash?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match GLM 5.3 Flash on one half of your requests and make at most three answers worse on the other.