OpenAI compatible API · Attested · Public status

SpaceXAI: Grok 4.7 vs Z.ai: GLM 5.3 Flash

SpaceXAI: Grok 4.7 vs Z.ai: GLM 5.3 Flash: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

Verify gateway

Onebase URL to migrate

100sof models and routes

0prompt or output logs. Always.

Compare routesProviders, price, context, and policy posture in one view.

Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.

Same API shapeUse the OpenAI client and set the model you want.

Practical read

Monthly evidence

Z.ai: GLM 5.3 Flash has the lower published input-plus-output rate, more Credits provider routes, the larger context window and the lower measured p50 time to first token.

$8.44/1MSpaceXAI: Grok 4.7 cheapest route

$0.32705/1MZ.ai: GLM 5.3 Flash cheapest route

1399 msSpaceXAI: Grok 4.7 fastest measured p50 TTFT via grok

771 msZ.ai: GLM 5.3 Flash fastest measured p50 TTFT via together

The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.

SpaceXAI: Grok 4.7Z.ai: GLM 5.3 Flash

Model idx-ai/grok-4.7z-ai/glm-5.3-flash

Publisher xAI Grok Z.AI

AI IQ IQ 127#16 IQ 120#38

Context500,000 tokens1,048,576 tokens

Credits provider routes125

Cheapest route$8.44/1M$0.32705/1M

Cached input$0.5275/1M to $1.055/1M$0.015825/1M to $0.110775/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFT1399 ms via grok771 ms via together

Highest measured throughput44 tok/s via groknot enough data

Recent route uptime range100.00%0.00% to 100.00%

Modes chat chat

SpaceXAI: Grok 4.7 routes

Overview1 Credits routes

Z.ai: GLM 5.3 Flash routes

Overview25 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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Production choice

Pick a default model. Keep fallback enabled.

TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.

OpenAI clientPython

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="x-ai/grok-4.7",
    messages=messages,
)

Questions

Which should I use, SpaceXAI: Grok 4.7 or Z.ai: GLM 5.3 Flash?

Z.ai: GLM 5.3 Flash has the lower published input-plus-output rate, more Credits provider routes, the larger context window and the lower measured p50 time to first token.

Is SpaceXAI: Grok 4.7 or Z.ai: GLM 5.3 Flash cheaper?

The current cheapest TrustedRouter route is $8.44/1M for SpaceXAI: Grok 4.7 and $0.32705/1M for Z.ai: GLM 5.3 Flash. The comparison uses current catalog prices and updates as provider pricing changes.

Is SpaceXAI: Grok 4.7 or Z.ai: GLM 5.3 Flash faster?

Current measured p50 time to first token is 1399 ms for SpaceXAI: Grok 4.7 and 771 ms for Z.ai: GLM 5.3 Flash. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test SpaceXAI: Grok 4.7 and Z.ai: GLM 5.3 Flash with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between x-ai/grok-4.7 and z-ai/glm-5.3-flash. This makes side-by-side evals possible without maintaining two provider integrations.