modelparams.dev
Sampling integer 78 models

Top K extra_body.top_k

Limits generation to the selected number of highest-probability tokens.

Type
integer
Default
20
Range
0 – +∞

extra_body.top_k by model

The exact type, default, range, and conditions for extra_body.top_k on each model that documents it.

Model Provider Type Default Range / values Condition
DeepSeek v3.2 Alibaba integer 20 0…+∞ —
DeepSeek v4 Flash Alibaba integer 20 0…+∞ —
DeepSeek v4 Flash 0731 Alibaba integer 20 0…+∞ —
DeepSeek v4 Pro Alibaba integer 20 0…+∞ —
DeepSeek v4 Pro 0813 Alibaba integer 20 0…+∞ —
DeepSeek v4.1 Flash Alibaba integer 20 0…+∞ —
GLM-5.1 Alibaba integer 20 0…+∞ —
GLM-5.2 Alibaba integer 20 0…+∞ —
GLM-5.3 Alibaba integer 20 0…+∞ —
GLM-5.3 Prime Alibaba integer 20 0…+∞ —
Kimi K2.7 Code Alibaba integer 20 0…+∞ —
Kimi K3 Alibaba integer 20 0…+∞ —
Qvq Max Alibaba integer 20 0…+∞ —
Qwen Coder Plus Alibaba integer 20 1…+∞ —
Qwen Flash Alibaba integer 20 1…+∞ —
Qwen Flash Character Alibaba integer 20 1…+∞ —
Qwen Max Alibaba integer 20 1…+∞ —
Qwen Plus Alibaba integer 20 1…+∞ —
Qwen Plus Character Alibaba integer 20 1…+∞ —
Qwen Plus Latest Alibaba integer 20 1…+∞ —
Qwen Turbo Alibaba integer 20 1…+∞ —
Qwen Vl Max Alibaba integer 20 1…+∞ —
Qwen Vl Plus Alibaba integer 20 1…+∞ —
Qwen3 14B Alibaba integer 20 1…+∞ —
Qwen3 235B A22B Alibaba integer 20 1…+∞ —
Qwen3 235B A22B Instruct 2507 Alibaba integer 20 1…+∞ —
Qwen3 235B A22B Thinking 2507 Alibaba integer 20 1…+∞ —
Qwen3 30B A3B Alibaba integer 20 1…+∞ —
Qwen3 30B A3B Instruct 2507 Alibaba integer 20 1…+∞ —
Qwen3 30B A3B Thinking 2507 Alibaba integer 20 1…+∞ —
Qwen3 8B Alibaba integer 20 1…+∞ —
Qwen3 Coder 480B A35B Instruct Alibaba integer 20 1…+∞ —
Qwen3 Coder Flash Alibaba integer 20 1…+∞ —
Qwen3 Coder Next Alibaba integer 20 1…+∞ —
Qwen3 Coder Plus Alibaba integer 20 1…+∞ —
Qwen3 Max Alibaba integer 20 1…+∞ —
Qwen3 Max Preview Alibaba integer 20 1…+∞ —
Qwen3 Next 80B A3B Instruct Alibaba integer 20 1…+∞ —
Qwen3 Next 80B A3B Thinking Alibaba integer 20 1…+∞ —
Qwen3 Omni Flash Alibaba integer 20 1…+∞ —
Qwen3 Omni Flash 2025-09-15 Alibaba integer 20 1…+∞ —
Qwen3 Omni Flash 2025-12-01 Alibaba integer 20 1…+∞ —
Qwen3 Vl 235B A22B Instruct Alibaba integer 20 1…+∞ —
Qwen3 Vl 235B A22B Thinking Alibaba integer 20 1…+∞ —
Qwen3 Vl Flash Alibaba integer 20 1…+∞ —
Qwen3 Vl Flash 2026-01-22 Alibaba integer 20 1…+∞ —
Qwen3 Vl Plus Alibaba integer 20 1…+∞ —
Qwen3 Vl Plus 2025-09-23 Alibaba integer 20 1…+∞ —
Qwen3 Vl Plus 2025-12-19 Alibaba integer 20 1…+∞ —
Qwen3.5 Alibaba integer 20 1…+∞ —
Qwen3.5 122B A10B Alibaba integer 20 1…+∞ —
Qwen3.5 27B Alibaba integer 20 1…+∞ —
Qwen3.5 35B A3B Alibaba integer 20 1…+∞ —
Qwen3.5 397B A17B Alibaba integer 20 1…+∞ —
Qwen3.5 Flash Alibaba integer 20 1…+∞ —
Qwen3.5 Omni Flash Alibaba integer 20 1…+∞ —
Qwen3.5 Omni Flash 2026-03-15 Alibaba integer 20 1…+∞ —
Qwen3.5 Omni Plus Alibaba integer 20 1…+∞ —
Qwen3.5 Omni Plus 2026-03-15 Alibaba integer 20 1…+∞ —
Qwen3.5 Plus Alibaba integer 20 1…+∞ —
Qwen3.5 Plus 2026-02-15 Alibaba integer 20 1…+∞ —
Qwen3.5 Plus 2026-04-20 Alibaba integer 20 1…+∞ —
Qwen3.6 27B Alibaba integer 20 0…+∞ —
Qwen3.6 35B A3B Alibaba integer 20 0…+∞ —
Qwen3.6 Flash Alibaba integer 20 0…+∞ —
Qwen3.6 Max Preview Alibaba integer 20 0…+∞ —
Qwen3.6 Plus Alibaba integer 20 0…+∞ —
Qwen3.7 Flash Alibaba integer 20 0…+∞ —
Qwen3.7 Max Alibaba integer 20 0…+∞ —
Qwen3.7 Max Preview Alibaba integer 20 0…+∞ —
Qwen3.7 Plus Alibaba integer 20 0…+∞ —
Qwen3.8 2.4t A95B Alibaba integer 20 0…+∞ —
Qwen3.8 27B Alibaba integer 20 0…+∞ —
Qwen3.8 Flash Alibaba integer 20 0…+∞ —
Qwen3.8 Max Alibaba integer 20 0…+∞ —
Qwen3.8 Max 0902 Alibaba integer 20 0…+∞ —
Qwen3.8 Omni Flash Alibaba integer 20 0…+∞ —
QwQ Plus Alibaba integer 20 1…+∞ —

Models without extra_body.top_k documented yet

These models don't list extra_body.top_k in the catalog. That may mean the provider doesn't accept it, or it simply hasn't been added yet — the data is community-maintained.

Cerebras

Thinking Machines

Related sampling parameters

Resources

How to use

Building with an AI agent? Hit Copy to grab this whole guide as Markdown and paste it in — or point your agent straight at /llms.txt.

modelparams.dev is an open, community-maintained catalog of model parameters. Each entry shows the knobs you can turn — type, default, range, and the conditions that gate it.

The same model accessed via an API key and via a subscription usually exposes a different set of parameters. We list both as separate entries so the data stays honest.

Catalog API

The full catalog is static JSON, CORS-enabled, served from the edge.

curl https://modelparams.dev/api/v1/models.json

Each entry is keyed by provider/model for API-key variants; subscription variants append -subscription.

If you only need the params for one model contract, use the providerless endpoint. Subscription contracts are model slugs with -subscription.

curl https://modelparams.dev/api/v1/models/openai/gpt-5.5.json
curl https://modelparams.dev/api/v1/models/openai/gpt-5.5-subscription.json

Single model

curl https://modelparams.dev/api/v1/models/anthropic/claude-opus-4-7.json
curl https://modelparams.dev/api/v1/models/anthropic/claude-opus-4-7-subscription.json

JSON Schema

Every entry validates against a JSON Schema you can use in your editor or pipeline.

curl https://modelparams.dev/api/v1/schema.json

Add this header to any YAML you author for autocomplete in VS Code:

# yaml-language-server: $schema=https://modelparams.dev/api/v1/schema.json

Logos

Provider logos are available at /assets/logos/{provider}.svg where {provider} is the provider slug. They use currentColor so they inherit your text color.

curl https://modelparams.dev/assets/logos/anthropic.svg

Logos are sourced from the models.dev repo (MIT) and used under nominative fair use.

Contribute

The data lives in YAML under models/{provider}/{model}-{auth}.yaml in the GitHub repo. Open a PR; CI validates against the schema and rebuilds.

Edit on GitHub MIT licensed