Choosing this model
Selection advice by Y-API. The checks below are suggested evaluations, not published test results.
Where to start
Reserve it for work where the cheaper Flash model has demonstrably failed: long documents that must stay coherent end to end, or multi-step analysis that has to hold several constraints at once.
What to watch for
The listing is a rolling name rather than a dated snapshot, so behavior can shift under the same ID. Ten times the Flash input price is also a real budget decision — verify the gap on your own tasks before moving traffic over.
Model specifications
These are OpenRouter model-level specifications, not a Y-API compatibility test. A particular route may accept fewer input formats, parameters or tokens. Verify the features you need with a small request; a successful text response does not validate vision or tool calling.
- Context window
- 1,000,000 tokens
- Input
- Text · Image · Video
- Output
- Text
- Listed on OpenRouter
- Parameters listed by OpenRouter
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningreasoning_effortresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
API pricing & cost estimate
- Estimated credit consumed
- $5.00
- Estimated cash equivalent
- $0.50
Illustrative token budget, not measured usage or a quote. Includes input and output; excludes separate media charges, cache discounts and retries. Include billed reasoning tokens in your output budget where applicable. Actual billing follows usage returned by the service.
$1 paid adds $10 of credit. Cash equivalent = credit consumed ÷ 10; this is not the model publisher’s list price.
| Model | Estimated credit consumed | Estimated cash equivalent |
|---|---|---|
| Qwen3.8 Max | $5.00 | $0.50 |
| Qwen3.8 Flash | $0.45 | $0.045 |
| GLM 5.3 | $3.90 | $0.39 |
API integration examples
These minimal, text-only requests use the exact Y-API model ID. They do not demonstrate image, audio, video, file or tool support. The output limit also needs room for reasoning; an empty answer with finish_reason=length can mean the budget was exhausted.
A task to try
Read the attached policy document and list every clause that constrains data retention, quoting the sentence that states each one.
Set the TOKEN environment variable to a key from your console. Run this on your server or locally; never expose a key in browser code or a public repository.
curl --fail-with-body --silent --show-error --max-time 120 \
'https://api.y-api.bestvirtualgoods.com/v1/chat/completions' \
-H "Authorization: Bearer ${TOKEN:?Set TOKEN first}" \
-H 'Content-Type: application/json' \
--data-binary @- <<'JSON'
{
"model": "qwen/qwen3.8-max",
"messages": [
{
"role": "user",
"content": "Read the attached policy document and list every clause that constrains data retention, quoting the sentence that states each one."
}
],
"max_tokens": 4096
}
JSONHow to evaluate the result
Every quoted clause should appear verbatim in the source and be genuinely about retention. Feed the same document to the Flash model and compare how many clauses each one misses.
Before you choose
Should I start with Max or Flash?
Start with Flash. Move to Max only when you can show a task where Flash fails and Max succeeds on the same inputs; the price difference is large enough that an unverified upgrade is hard to justify.
Sources & scope
Technical facts come from the cited model page and, where available, its linked publisher card. A card describes that checkpoint; it is not proof of the weights a gateway serves. Prices come only from the Y-API catalog. We do not claim measured latency, uptime or benchmark scores for this endpoint.