OpenAI compatible API · Attested · Public status

Anthropic: Claude Opus 4.7 vs Z.ai: GLM 5.1

Claude Opus 4.7 vs Z.ai: GLM 5.1: 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 5.1 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.1 has more provider fallback routes, while Anthropic: Claude Opus 4.7 has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5.1 with the lower p50 TTFT.

$31.65/1MAnthropic: Claude Opus 4.7 cheapest route

$4.2833/1MZ.ai: GLM 5.1 cheapest route

1555 msAnthropic: Claude Opus 4.7 fastest measured p50 TTFT via anthropic

1126 msZ.ai: GLM 5.1 fastest measured p50 TTFT via friendli

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.

Anthropic: Claude Opus 4.7Z.ai: GLM 5.1

Model idanthropic/claude-opus-4.7z-ai/glm-5.1

Publisher Anthropic Z.AI

AI IQ IQ 127#10 IQ 114#39

Context1,000,000 tokens204,800 tokens

Provider routes323

Cheapest route$31.65/1M$4.2833/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFT1555 ms via anthropic1126 ms via friendli

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%66.67% to 100.00%

Modes chat messages chat

Anthropic: Claude Opus 4.7 routes

Overview3 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.1 routes

Overview23 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Related comparisons

Browse every comparison

Z.ai: GLM 5.1 vs Z.ai: GLM 5.275 combined provider routes
MoonshotAI: Kimi K3 vs Z.ai: GLM 5.160 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.156 combined provider routes
MoonshotAI: Kimi K2.6 vs Z.ai: GLM 5.154 combined provider routes
OpenAI: gpt-oss-120b vs Z.ai: GLM 5.154 combined provider routes
DeepSeek: DeepSeek V4 Flash 0423 vs Z.ai: GLM 5.152 combined provider routes
DeepSeek: DeepSeek V4 Pro 0423 vs Z.ai: GLM 5.151 combined provider routes
Google: Gemma 4 31B vs Z.ai: GLM 5.150 combined provider routes

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="anthropic/claude-opus-4.7",
    messages=messages,
)

Questions

Which should I use, Anthropic: Claude Opus 4.7 or Z.ai: GLM 5.1?

Is Anthropic: Claude Opus 4.7 or Z.ai: GLM 5.1 cheaper?

The current cheapest TrustedRouter route is $31.65/1M for Anthropic: Claude Opus 4.7 and $4.2833/1M for Z.ai: GLM 5.1. The comparison uses current catalog prices and updates as provider pricing changes.

Is Anthropic: Claude Opus 4.7 or Z.ai: GLM 5.1 faster?

Current measured p50 time to first token is 1555 ms for Anthropic: Claude Opus 4.7 and 1126 ms for Z.ai: GLM 5.1. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Anthropic: Claude Opus 4.7 and Z.ai: GLM 5.1 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between anthropic/claude-opus-4.7 and z-ai/glm-5.1. This makes side-by-side evals possible without maintaining two provider integrations.