Cheapest LLM API 2026
$5.99/mo flat for 104 models
Stop paying per-token to 5+ separate APIs. Brainiall delivers 104 models — Claude 4.7, GPT-5, Gemini 3 Pro, DeepSeek-V3, Llama 4 Maverick — for $5.99/mo flat. 95% cheaper than direct providers for high-volume devs.
Real cost comparison: 1000 requests/month
| Provider | Pricing model | 1k req/mo cost | 10k req/mo cost | 100k req/mo cost |
|---|---|---|---|---|
| OpenAI direct (GPT-5) | $5/$15 MTok | ~$25 | ~$250 | ~$2,500 |
| Anthropic direct (Claude 4.6) | $3/$15 MTok | ~$18 | ~$180 | ~$1,800 |
| OpenRouter (5.5% surcharge) | Per-token + 5.5% | ~$26 | ~$263 | ~$2,632 |
| Together AI (Llama 4) | $0.20/$0.60 MTok | ~$1 | ~$8 | ~$80 |
| Brainiall flat (104 models) | $5.99/mo flat | $5.99 ✅ | $5.99 ✅ | $99 (Pro Team) ✅ |
| Savings vs OpenAI | 76% | 98% | 96% |
Per-request avg ~5k input tokens + ~1k output tokens. Pro Team $99/mo = 50k unlimited credits.
💰 When does Brainiall become cheapest?
- 1+ requests/day: Brainiall ($5.99/mo) ≈ break-even with per-token providers
- 50+ requests/day: Brainiall is 10x cheaper than OpenAI direct
- 500+ requests/day: Brainiall is 100x cheaper
- 5000+ requests/day: Pro Team ($99/mo, 50k credits) is 25-100x cheaper
Drop-in OpenAI replacement (1 line change)
from openai import OpenAI
client = OpenAI(
base_url="https://api.brainiall.com/v1", # ← only line that changes
api_key="brnl-..." # ← get free key at app.brainiall.com
)
# Same API, 104 models available
for model in ["gpt-5", "claude-sonnet-4-6", "gemini-3-pro",
"deepseek-v3", "llama-4-maverick", "mistral-large-2"]:
response = client.chat.completions.create(
model=model,
messages=[{"role": "user", "content": "Hello!"}]
)
print(f"{model}: {response.choices[0].message.content}")
Works with LangChain, LlamaIndex, Haystack, Cursor, Continue.dev, Cline, Aider, Vercel AI SDK, n8n, Dify, Flowise without code changes.
FAQ
What is the cheapest LLM API in 2026?
For high-volume usage (1k+ requests/mo): Brainiall at $5.99/mo flat. For low-volume (under 100 req/mo), open-source via DeepSeek-V3 or Llama 4 Maverick direct may be cheapest per-call.
How can Brainiall offer 104 models for $5.99/mo when OpenAI alone costs $20/mo?
Brainiall is a multi-model gateway with caching (12% hit rate) and OpenAI-compatible API. Subscriptions are flat regardless of which models you use. Like Netflix vs renting individual movies.
What models does Brainiall include?
60+ chat (Claude 4.7, GPT-5, Gemini 3, DeepSeek-V3, Llama 4 Maverick, Mistral Large 2, Qwen 3), 15 reasoning, 12 image (gpt-5-image, Flux 2), 6 audio (Whisper, TTS), 5 video (Seedance 2.0), 3 embeddings = 104 total.
Is Brainiall really 95% cheaper than OpenAI direct?
For high-volume: yes. 10k GPT-5 requests/mo at $5/$15 MTok ≈ $250/mo direct. Brainiall flat $5.99/mo = 98% cheaper. Pro Team ($99/mo, 50k credits) = 95-99% cheaper for power users.
Stop paying $250/mo. Start at $5.99.
No credit card required. 7-day free trial. Switch between 104 models with 1 line of code.
Sign up — free for 7 days