Free to start

Ternary Bonsai 27B vs Z.ai: GLM 5.2

Try both on us. Starter credit covers your first requests, then one key routes Ternary Bonsai 27B and GLM 5.2. Switch by changing the model name.

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

Ternary Bonsai 27B has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

$0.02/1MTernary Bonsai 27B cheapest route

$2.2999/1MZ.ai: GLM 5.2 cheapest route

1244 msTernary Bonsai 27B fastest measured p50 TTFT via together

591 msZ.ai: GLM 5.2 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.

Ternary Bonsai 27BZ.ai: GLM 5.2

Model idprism-ml/ternary-bonsai-27bz-ai/glm-5.2

Publisherprism-ml Z.AI

AI IQ — IQ 118#48

Context262,144 tokens1,048,576 tokens

Credits provider routes132

Cheapest route$0.02/1M$2.2999/1M

Cached inputNot published$0.131875/1M to $0.84611/1M

Privacy posturehas ZDR routehas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFT1244 ms via together591 ms via together

Highest measured throughputnot enough data290 tok/s via telnyx

Recent route uptime range29.67%75.00% to 100.00%

Modes chat chat

Ternary Bonsai 27B routes

Overview1 Credits routes

Z.ai: GLM 5.2 routes

Overview32 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Related comparisons

Browse every comparison

Z.ai: GLM 5.2 vs Z.ai: GLM 5.365 combined provider routes
Z.ai: GLM 5.2 vs Z.ai: GLM 5.3 Flash64 combined provider routes
MoonshotAI: Kimi K3 vs Z.ai: GLM 5.260 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.258 combined provider routes
DeepSeek: DeepSeek V4.1 Flash vs Z.ai: GLM 5.256 combined provider routes
OpenAI: gpt-oss-120b vs Z.ai: GLM 5.256 combined provider routes
Qwen: Qwen3.8 27B vs Z.ai: GLM 5.252 combined provider routes
MoonshotAI: Kimi K2.6 vs Z.ai: GLM 5.249 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="prism-ml/ternary-bonsai-27b",
    messages=messages,
)

Questions

Which should I use, Ternary Bonsai 27B or Z.ai: GLM 5.2?

Ternary Bonsai 27B has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

Is Ternary Bonsai 27B or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $0.02/1M for Ternary Bonsai 27B and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Ternary Bonsai 27B or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is 1244 ms for Ternary Bonsai 27B and 591 ms for Z.ai: GLM 5.2. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Ternary Bonsai 27B and Z.ai: GLM 5.2 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between prism-ml/ternary-bonsai-27b and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.