Providers
The AI providers available in Alvin and what each is good at.
Alvin brings eleven providers behind one account. You don't need to choose between them — Alvin routes across all of them — but it helps to know what each is for when you want to pick manually.
At a glance
OpenAI
GPT-5.5, GPT-5 mini/nano, GPT-4.1, GPT-4o, image, speech
Anthropic
Claude Opus 4.8, Sonnet 4.6, Haiku 4.5
Gemini 3.5 Flash, 3.1 Pro, 2.5 Pro/Flash, Imagen, Veo
xAI
Grok 4.3, Grok 4
Meta
Llama 4 Scout & Maverick, Llama 3.3
Mistral AI
Mistral Large 3, Small 4, Codestral
DeepSeek
DeepSeek V4 Pro, V4 Flash, V3.2
Cohere
Command A+, Command A
Perplexity
Sonar Deep Research, Sonar Reasoning Pro, Sonar
Fireworks AI
Qwen 3.5, Kimi K2.6, DeepSeek V4, Llama 4
ElevenLabs
eleven-v3 speech, Scribe v2 transcription
OpenAI
Strengths — strong instruction following, wide capability coverage, fast.
| Model | Best for | Context |
|---|---|---|
gpt-5.5 | Current flagship, hardest reasoning | 128K |
gpt-5.5-pro | Maximum reasoning depth | 128K |
gpt-5-mini | Balanced, cost-effective | 128K |
gpt-5-nano | Fast and cheap | 128K |
gpt-4.1 | Long context with vision | 1M |
gpt-4o-mini | Cheapest general chat | 128K |
Also: gpt-image-2 and gpt-image-1.5 for images, tts-1-hd for speech, whisper-1 and gpt-4o-transcribe for transcription, text-embedding-3-small/-large for embeddings.
Anthropic
Strengths — best-in-class for software development, long context, careful and detailed answers, extended thinking.
| Model | Best for | Context |
|---|---|---|
claude-opus-4.8 | Current flagship, agentic coding | 200K |
claude-sonnet-4.6 | Coding and agents, everyday driver | 200K |
claude-haiku-4.5 | Fast and affordable | 200K |
Strengths — the largest context windows available, native multimodality, strong price-performance.
| Model | Best for | Context |
|---|---|---|
gemini-3.5-flash | Fast, beats the previous Pro tier on coding | 1M |
gemini-3.1-pro-preview | Most capable, deep reasoning | 1M |
gemini-2.5-pro | Balanced with long context | 1M |
gemini-2.5-flash-lite | Ultra-fast, lowest cost | 1M |
Also: imagen-4 and the nano-banana family for images, veo-3.1 and veo-3 for video.
xAI
Strengths — cost-efficient reasoning at long context.
| Model | Best for | Context |
|---|---|---|
grok-4.3 | Current flagship, cost-efficient | 1M |
grok-4 | High-capability reasoning | 100K |
Meta
Strengths — open weights, permissive licensing, good value.
| Model | Best for | Context |
|---|---|---|
llama4-maverick | Complex tasks, vision | 1M |
llama4-scout | Efficient, vision | 320K |
llama-3.3-70b | High quality, well understood | 128K |
Mistral AI
Strengths — European hosting, strong code models, efficient at size.
| Model | Best for | Context |
|---|---|---|
mistral-large-3 | Most capable | 256K |
mistral-small-4 | Multimodal, agentic coding | 256K |
codestral-22b | Code generation | 256K |
DeepSeek
Strengths — reasoning and code at a fraction of frontier pricing.
| Model | Best for | Context |
|---|---|---|
deepseek-v4-pro | Flagship reasoning and coding | 128K |
deepseek-v4-flash | Fast, cost-effective | 128K |
Cohere
Strengths — enterprise RAG, retrieval, and embeddings.
| Model | Best for | Context |
|---|---|---|
command-a-plus | Latest flagship, vision | 256K |
command-a | Enterprise RAG | 256K |
Perplexity
Strengths — the web, with citations. Use these when the answer depends on current information.
| Model | Best for | Context |
|---|---|---|
sonar-deep-research | Multi-step research with citations | 128K |
sonar-reasoning-pro | Reasoning grounded in live sources | 128K |
perplexity-sonar | Fast web-grounded answers | 128K |
Fireworks AI
Strengths — fast, cheap serving of open-weight models.
Hosts Qwen 3.5, Kimi K2.6, DeepSeek V4 and Llama 4 among others. Useful when you want an open model with better latency than self-hosting gives you.
ElevenLabs
Strengths — the most natural speech synthesis available.
| Model | Best for |
|---|---|
eleven-v3 | Natural text-to-speech |
scribe-v2 | Speech-to-text |
Picking a provider
Most users don't need to. Alvin routing selects across every provider listed here on a per-request basis.
If you want to choose manually, the Model Hub lets you filter by capability, context size and cost, and compare candidates side by side before committing.
Related
- Model Hub — browse the catalog
- Comparison — compare models side by side
- Supported models — full list with pricing