llm.kiwi provides access to a curated selection of high-performance AI models. Model availability depends on your subscription tier.
Free Tier
The Free tier includes access to a single routing model:
default
Intelligent model router that selects the best model for your request automatically.
| Model ID | Description |
|---|
default | Auto-routing model — balances quality and speed for each request |
Free tier users must use model="default". This model intelligently routes your requests to appropriate underlying models.
Pro Tier Models
Pro tier unlocks direct access to specific high-performance models:
Chat & Reasoning Models
| Model ID | Provider | Description |
|---|
gpt-oss-20b | OpenAI OSS | 20B parameter open-source GPT variant |
gpt-oss:20b | OpenAI OSS | Alternative syntax for gpt-oss-20b |
mistral-small-3.1-24b-instruct-2503 | Mistral | 24B instruction-tuned model |
meta-llama/Meta-Llama-3.1-8B-Instruct-Turbo | Meta | Llama 3.1 8B optimized for speed |
deepseek-v3.1:671b-terminus | DeepSeek | 671B MoE model, excellent for coding |
gemini-2.5-flash-lite | Google | Ultra-fast reasoning model |
GLM-4.6V-Flash | Zhipu | Fast Chinese/English bilingual |
bidara | Bidara | Biomimicry design assistant |
Code Models
| Model ID | Provider | Description |
|---|
codestral-2405 | Mistral | Code generation (May 2024 release) |
codestral-2501 | Mistral | Code generation (Jan 2025 release) |
ministral-8b-2512 | Mistral | Compact 8B model for fast responses |
Image & Audio Models
| Model ID | Provider | Tier | Description |
|---|
flux | Flux | Pro | High-quality image generation |
whisper-1 | OpenAI | Pro | Speech-to-text transcription |
Choosing a Model
Not sure which model to use? Start with default — it automatically routes to the best model for your use case.
| Use Case | Recommended Model |
|---|
| General chat | default or gpt-oss-20b |
| Complex coding | deepseek-v3.1:671b-terminus or codestral-2501 |
| Fast responses | gemini-2.5-flash-lite or ministral-8b-2512 |
| Chinese/English | GLM-4.6V-Flash |
Upgrade to Pro
Unlock all Pro models and higher rate limits.
