GLM-5.3-Flash

Zhipu's first natively multimodal GLM-5 model (320B/18B MoE) with 1M context and visual coding capabilities.

Input price: $0.0075–$0.15list $0.15-95%
Output price: $0.025–$0.50list $0.50-95%
Context: 1M
Max output: 131K
Modalities: InputTextImageVideoPDFOutputText
Capability: 153 (#39 of 89)
Human preference: 1473
30-day uptime: —
Released: 2026-08-26
Knowledge cutoff: —

Providers

Providers that serve this model. With Auto, each request goes to the best available provider. Prices in USD per 1M tokens; stats cover the last 30 days.

AutoInput$0.0075–$0.15-95%Output$0.025–$0.50-95%Cache read$0.0015–$0.03694-95%Context1MMax output131KWe send each request to the best-priced healthy provider. You pay that provider’s price.Cloudflare Workers AICheapestInput$0.0075-95%Output$0.025-95%Cache read$0.0015-95%GlobalNo trainingNo retentionTencent Cloud TokenHubInput$0.1168Output$0.4088Cache read$0.03358ChinaNo trainingZhipu AI (ChatGLM)Input$0.12848Output$0.44968Cache read$0.03694ChinaNo trainingFireworks AIInput$0.15Output$0.50Cache read$0.03Context1MMax output131KUnited StatesNo trainingNo retention

Pricing

Prices vary by provider. Showing Cloudflare Workers AI, the lowest. Pick a provider above to see its prices.

Input: $0.0075list $0.15-95%; per 1M tokens
Output: $0.025list $0.50-95%; per 1M tokens
Cache read: $0.0015list $0.03-95%; per 1M tokens

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

Keep conversations on one provider

Later turns reuse the provider’s prompt cache, which can lower cost and latency.

Providers

Zhipu AI (ChatGLM)

Fireworks AI

Tencent Cloud TokenHub

Cloudflare Workers AI

curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zhipu/glm-5.3-flash",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

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Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

GLM-5.3-FlashThis model

Capability: 153
Input: $0.0075–$0.15
Output: $0.025–$0.50

DeepSeek V4.1 Flash 1017

Capability: 159
Input: $0.015–$0.292
Output: $0.06–$1.168

GLM-4.6V-FlashX

Capability: —
Input: $0.024092
Output: $0.2409

Doubao Seed 2.0 Mini (260215)

Capability: —
Input: $0.0292
Output: $0.292

Nova Micro

Capability: —
Input: $0.0385
Output: $0.154

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text