Connect to Opus 4.8, Gemini 3.5 Flash, GLM 5.2, and GPT 5.5 through a single API key. Reduce token costs and latency without sacrificing intelligence.
All transactions are billed in our local currency: 
Aurea (exchange rate: 1 Aurea = $0.60 USD).
Compare standard rates against AnnexAPI custom routing endpoints.
| Model | Official API Pricing (per 1M USD) | AnnexAPI Pricing (per 1M Aurea) | Status |
|---|---|---|---|
Claude Opus 4.8 Max | $5.00 / $25.00 per 1M (Total: $30.00) | 1.75 /8.75 per 1M (Total: 10.50) | Ready |
Claude Sonnet 4.6 (Normal) | $3.00 / $15.00 per 1M (Total: $18.00) | 1.05 /5.25 per 1M (Total: 6.30) | Ready |
GPT-5.5 | $5.00 / $30.00 per 1M (Total: $35.00) | 2.50 /15.00 per 1M (Total: 17.50) | Ready |
DeepSeek V4 Pro | $0.435 / $0.87 per 1M (Total: $1.305) | 0.08 Flat Rate per request | Ready |
Grok 4.2 | $1.25 / $2.50 per 1M (Total: $3.75) | 0.025 Flat Rate per request | Ready |
Switch models by changing a single parameter in your requests. Fully compatible with OpenAI standard SDK schemas, making migration a matter of changing two lines of configuration code.
curl https://annexapi.com/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer AE_KEY_YOUR_SECRET" \
-d '{
"model": "claude-opus-4-8",
"messages": [
{"role": "user", "content": "Analyze query latency and routing optimization."}
]
}'
We are a team of systems developers and researchers building highly optimized AI routing infrastructure.
We purchase token bandwidth in high volumes and distribute it dynamically. By optimizing query density, we offer official models below standard retail rates.
Our systems cache repetitive system prompts and context structures across global servers, saving up to 80% on redundant input token consumption.
We run multi-provider failover checks. If an upstream provider experiences service degradation, queries automatically failover to secondary endpoints.
Aurea Token PegAll platform API operations, top-ups, and balance checks utilize our local token economy: Aurea. Pegged at $0.60 USD per Aurea, enabling micro-cent developer billing.
Have questions, feedback, or need developer support? Reach out to us through our active community channels or send us an email.