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AI Providers

OpenRouter Models

Access 100+ AI models from 15+ providers through OpenRouter

Overview

OpenRouter is an AI model aggregator that provides access to models from multiple providers through a single API. This gives you flexibility to use the best model for each task without managing multiple API keys.

API Key: Get your API key at openrouter.ai/keys

How OpenRouter Works

OpenRouter acts as a proxy to multiple AI providers:

  • Single API key for all models
  • Unified pricing
  • Automatic failover
  • Model comparison

Model format: provider/model-id


Chat Models by Provider

OpenAI (via OpenRouter)

Model IDNameDescription
openai/gpt-5.1GPT-5.1Latest GPT model
openai/gpt-5.1-chatGPT-5.1 ChatChat optimized
openai/gpt-5.1-codexGPT-5.1 CodexCode focused
openai/gpt-5GPT-5Flagship model
openai/gpt-5-miniGPT-5 MiniCompact version
openai/gpt-4oGPT-4oMultimodal
openai/gpt-4o-miniGPT-4o MiniFree tier
openai/o3o3Reasoning model
openai/o3-minio3 MiniCompact reasoning
openai/o4-minio4 MiniLatest reasoning
openai/o1o1Original reasoning

Anthropic (via OpenRouter)

Model IDNameDescription
anthropic/claude-opus-4.5Claude Opus 4.5Most capable
anthropic/claude-opus-4.1Claude Opus 4.1Advanced
anthropic/claude-opus-4Claude Opus 4High capability
anthropic/claude-sonnet-4.5Claude Sonnet 4.5Balanced
anthropic/claude-3.5-sonnetClaude 3.5 SonnetEfficient
anthropic/claude-3-haikuClaude 3 HaikuFast

Google Gemini (via OpenRouter)

Model IDNameDescription
google/gemini-3-pro-previewGemini 3 ProLatest preview
google/gemini-2.5-proGemini 2.5 ProMost capable
google/gemini-2.5-flashGemini 2.5 FlashFast
google/gemini-2.0-flash-001Gemini 2.0 FlashEfficient

xAI (Grok)

Model IDNameDescription
x-ai/grok-4Grok 4Latest Grok
x-ai/grok-4-fastGrok 4 FastSpeed optimized
x-ai/grok-4.1-fast:freeGrok 4.1 FastFree tier
x-ai/grok-3Grok 3Previous gen

Meta Llama

Model IDNameDescription
meta-llama/llama-4-scoutLlama 4 ScoutLatest scout
meta-llama/llama-4-maverickLlama 4 MaverickLatest maverick
meta-llama/llama-3.3-70b-instructLlama 3.3 70BLarge model
meta-llama/llama-3.1-405b-instructLlama 3.1 405BLargest Llama
meta-llama/llama-3.1-70b-instructLlama 3.1 70BEfficient

DeepSeek

Model IDNameDescription
deepseek/deepseek-v3.2DeepSeek V3.2Latest version
deepseek/deepseek-v3.2-specialeDeepSeek V3.2 SpecialeEnhanced
deepseek/deepseek-r1DeepSeek R1Reasoning
deepseek/deepseek-chatDeepSeek ChatGeneral chat

Mistral

Model IDNameDescription
mistralai/mistral-large-2512Mistral Large 3Latest large
mistralai/mistral-large-2411Mistral Large 2Previous gen

Cohere

Model IDNameDescription
cohere/command-r-plus-08-2024Command R+Most capable
cohere/command-r-08-2024Command RStandard
cohere/command-aCommand ALatest

Qwen

Model IDNameDescription
qwen/qwen-2.5-72b-instructQwen 2.5 72BLarge model
qwen/qwen-2.5-coder-32b-instructQwen 2.5 Coder 32BCode focused
qwen/qwen2.5-vl-72b-instructQwen 2.5 VL 72BVision-language
qwen/qwen3-coder-plusQwen3 Coder PlusCode focused

MoonshotAI (Kimi)

Model IDNameDescription
moonshotai/kimi-k2-thinkingKimi K2 ThinkingReasoning model
moonshotai/kimi-k2-0905Kimi K2Standard
moonshotai/kimi-linear-48b-a3b-instructKimi Linear 48BEfficient

NVIDIA

Model IDNameDescription
nvidia/llama-3.3-nemotron-super-49b-v1.5Nemotron Super 49BEnhanced Llama
nvidia/nemotron-nano-12b-v2-vlNemotron Nano 12B VLVision-language
nvidia/nemotron-nano-9b-v2Nemotron Nano 9BCompact

AllenAI

Model IDNameDescription
allenai/olmo-3-32b-think:freeOlmo 3 32B ThinkFree reasoning
allenai/olmo-3-7b-instructOlmo 3 7B InstructCompact
allenai/olmo-3-7b-thinkOlmo 3 7B ThinkReasoning

Perplexity

Model IDNameDescription
perplexity/sonar-pro-searchSonar Pro SearchWeb search
perplexity/sonar-proSonar ProStandard
perplexity/sonar-reasoning-proSonar Reasoning ProReasoning
perplexity/sonarSonarBasic

Image Generation Models

Model IDNameDescription
google/gemini-3-pro-image-previewGemini 3 Pro ImageGoogle's latest
google/gemini-2.5-flash-imageGemini 2.5 Flash ImageFast
openai/gpt-5-imageGPT-5 ImageOpenAI latest
openai/gpt-5-image-miniGPT-5 Image MiniCompact

Free Models

Model IDDescription
openai/gpt-4o-miniGPT-4o Mini free tier
openrouter/autoAuto-selects best free model
x-ai/grok-4.1-fast:freeGrok free tier
allenai/olmo-3-32b-think:freeOLMo free tier

Key Benefits

1. Single API Key

Access all providers with one OpenRouter API key:

  • No need for multiple accounts
  • Unified billing
  • Simplified management

2. Model Flexibility

Switch between models easily:

// Configure different models in SheetMagic settings
// No code changes required

3. Automatic Failover

If one provider is down, OpenRouter can route to alternatives.

4. Cost Optimization

  • Compare pricing across providers
  • Use free tiers when appropriate
  • Optimize for cost vs. quality

Usage Examples

Using GPT via OpenRouter

// Model: openai/gpt-4o
=AITEXT("Explain machine learning in simple terms")

Using Claude via OpenRouter

// Model: anthropic/claude-opus-4.5
=AITEXT("Write a detailed technical document about API design")

Using Free Models

// Model: openai/gpt-4o-mini (free)
=AITEXT("Quick summary of: " & A1)

Best Practices

1. Choose by Use Case

Use CaseRecommended Models
General tasksopenai/gpt-4o, anthropic/claude-sonnet-4.5
Complex reasoningopenai/o3, deepseek/deepseek-r1
Code generationqwen/qwen3-coder-plus, openai/gpt-5.1-codex
Cost-consciousopenai/gpt-4o-mini, x-ai/grok-4.1-fast:free
Research/searchperplexity/sonar-pro-search

2. Monitor Usage

OpenRouter provides usage dashboards to track:

  • Token consumption
  • Costs by model
  • Request patterns

3. Use Auto-Routing

For simple tasks, use openrouter/auto to let OpenRouter select the optimal model.


Pricing

OpenRouter charges based on:

  • Input tokens
  • Output tokens
  • Model selected

Pricing is often competitive with direct provider access, plus the convenience of unified billing.

OpenRouter sometimes offers credits for new users. Check their website for current promotions.