OpenAI-Compatible Providers 2026
8 alternatives compared
Drop-in /v1/chat/completions alternatives to OpenAI. Brainiall, OpenRouter, Together AI, Fireworks, Anyscale, Replicate, Groq, Perplexity compared on price, models, latency, hosting region.
Provider comparison
| Provider | Pricing | Models | Hosted | Best for |
|---|---|---|---|---|
| Brainiall ✨ | $5.99/mo flat | 104 | EU 🇪🇺 | Predictable costs, EU compliance |
| OpenRouter | Per-token + 5.5% | 500+ | US | Enterprise pay-as-you-go |
| Together AI | $0.20-2/MTok | ~70 OSS | US | Open-source workloads |
| Fireworks AI | $0.20-3/MTok | ~50 OSS | US | Speed-critical (sub-200ms) |
| Anyscale | $0.50-3/MTok | ~20 Llama | US | Llama enterprise scale |
| Replicate | Per-second compute | Wide multimodal | US | Multimodal experimentation |
| Groq | $0.05-0.79/MTok | ~15 OSS | US LPU | Real-time chat (sub-100ms) |
| Perplexity API | $0.20-5/MTok | 3 Sonar | US | Web-grounded Q&A |
Drop-in code example (works for ALL providers)
from openai import OpenAI
# Just change base_url and api_key — same SDK, same code:
PROVIDERS = {
"openai": ("https://api.openai.com/v1", "sk-..."),
"brainiall": ("https://api.brainiall.com/v1", "brnl-..."),
"openrouter": ("https://openrouter.ai/api/v1", "sk-or-..."),
"together": ("https://api.together.xyz/v1", "..."),
"fireworks": ("https://api.fireworks.ai/inference/v1", "..."),
"groq": ("https://api.groq.com/openai/v1", "gsk_..."),
}
provider = "brainiall" # or any of above
url, key = PROVIDERS[provider]
client = OpenAI(base_url=url, api_key=key)
# Same /v1/chat/completions API across all
response = client.chat.completions.create(
model="claude-sonnet-4-6",
messages=[{"role": "user", "content": "Hello!"}]
)
Compatibilidade /v1/chat/completions + /v1/embeddings + /v1/models garantida em todos. Brainiall adiciona /v1/images/generations + /v1/videos/generations + /v1/audio/transcriptions compatÃveis.
🇪🇺 Why Brainiall stands out
- Only EU-hosted OpenAI-compatible provider with 100+ models (Frankfurt + Madrid)
- Flat $5.99/mo — predictable cost, no per-token surprise
- 104 models — Claude 4.7, GPT-5, Gemini 3, DeepSeek-V3, Llama 4 + image/video/audio
- GDPR + AI Act compliant — DPA auto-download for Pro Team/Business
- Multi-modal API — images, video, audio, embeddings via same endpoint pattern
When to pick which
→ Brainiall
Small/mid teams. EU compliance. Predictable costs. Multi-modal. Indie dev or SaaS founder.
→ OpenRouter
Enterprise PAYG. Need 500+ obscure models. Already on US infra.
→ Together AI / Fireworks
Pure open-source pipeline. Llama-only. Custom finetuning support.
→ Groq
Real-time voice chat. Need sub-100ms first token. Hardware-accelerated.
→ Perplexity
Web-grounded Q&A. Real-time search results in responses. Niche use.
→ Replicate
Multimodal experiment. Image+video+audio in 1 platform. Pay-per-run.
Try Brainiall — drop-in OpenAI replacement
No credit card. 7-day free trial. Switch your base_url in 1 minute.
API docs · Pricing · Cost analysis