Together AI vs OpenRouter
Open-source LLM infra — inference + fine-tuning + dedicated GPUs + image/video/audio
vs. Unified API for 300+ LLMs across 60+ providers — 1 key, any model
Pricing tiers
Together AI
Pay-as-you-go
Per-token pricing for serverless inference. No minimum.
$0 base (usage-based)
Dedicated Endpoints
Single-tenant GPU endpoints billed hourly.
$0 base (usage-based)
Batch API (50% off)
50% discount for async batch processing on most serverless models.
$0 base (usage-based)
Reserved GPU Clusters
6+ day commitments with discounted reserved rates.
$0 base (usage-based)
Enterprise
Custom. Private deployments, VPC, SLAs, dedicated support.
Custom
OpenRouter
Free
25+ free models. 50 requests/day rate limit. 1M free requests/month base.
Free
Pay-as-you-go
5.5% platform fee on usage. Access to 300+ models, 60+ providers. High global rate limits.
$0 base (usage-based)
Enterprise
Volume-based pricing, bulk discounts, SSO/SAML, dedicated rate limits. 5M free requests/month.
Custom
Free-tier quotas head-to-head
Comparing payg on Together AI vs free on OpenRouter.
| Metric | Together AI | OpenRouter |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Together AI · 14 features
- Audio (ASR + TTS) — Whisper Large v3 + Cartesia Sonic-3.
- Batch API — 50% discount for async processing.
- Code Interpreter — LLM with integrated code execution.
- Code Sandbox — Secure Python execution environment.
- Dedicated Endpoints — Single-tenant GPU endpoints for consistent latency.
- Embeddings — BGE + nomic + mxbai embedding models.
- Fine-Tuning — LoRA + full fine-tune + DPO on Llama, Qwen, Mistral.
- Image Generation — FLUX.2, SD3, Ideogram, etc.
- OpenAI-Compat API — Drop-in OpenAI SDK replacement.
- Private Deploy — Dedicated tenant + VPC.
- Reranker — Rerank model for RAG retrieval refinement.
- Reserved Clusters — Discounted GPU clusters for committed use.
- Serverless Inference — 200+ open models. OpenAI-compatible API.
- Video Generation — Veo 3.0, Kling 2.1, Vidu 2.0.
OpenRouter · 15 features
- 300+ Models — Claude, GPT, Gemini, Llama, Mistral, Qwen, DeepSeek, Cohere, Grok + open-source.
- 60+ Providers — Anthropic, OpenAI, Google, Together, Fireworks, Groq, DeepInfra, Replicate, etc.
- Auto Fallback — Automatic retry to backup provider on failure.
- Bring Your Own Key — Use your own provider keys → pay providers directly + no platform fee.
- Credit System — Prepay credits via card, crypto, or bank.
- Data Retention Controls — Opt-out of training/retention per provider.
- Free Models Tier — 25+ models available at $0 (limited rate).
- Prompt Caching — Automatic cache for identical prefixes (provider-dependent).
- Provider Preferences — Pin preferred providers per request or default.
- Rankings & Stats — Public leaderboard of most-used models.
- Regional Routing — Route requests to specific geographic regions.
- Streaming — SSE + partial completions.
- Structured Outputs — JSON-mode + JSON schema across supporting models.
- Tool Use / Function Calling — Unified tool calling across providers.
- Unified OpenAI-Compat API — Same endpoint for every model + provider.
Developer interfaces
| Kind | Together AI | OpenRouter |
|---|---|---|
| CLI | Together CLI | — |
| SDK | together-js, together-python | Any OpenAI SDK |
| REST | Code Sandbox / Interpreter, Dedicated Endpoints, Together REST API (OpenAI-compat) | OpenRouter API (OpenAI-compat) |
| MCP | — | OpenRouter MCP |
| OTHER | — | OpenRouter Dashboard |
Staxly is an independent catalog of developer platforms. Outbound links to Together AI and OpenRouter are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.