Skip to content
LIVE
OPUS 4.8$5 / $25per Mtok
GPT-5.5$5 / $30per Mtok
GEMINI 2.5 PRO$1.25 / $10per Mtok
SONNET 4.6$3 / $15per Mtok
SWE-BENCHleader GPT-5.568.7%
MMLU-PROleader GPT-5.594.2
GPQAleader GPT-5.578.3
AFTAv1.0 whitepaper live at /whitepaper
OPUS 4.8$5 / $25per Mtok
GPT-5.5$5 / $30per Mtok
GEMINI 2.5 PRO$1.25 / $10per Mtok
SONNET 4.6$3 / $15per Mtok
SWE-BENCHleader GPT-5.568.7%
MMLU-PROleader GPT-5.594.2
GPQAleader GPT-5.578.3
AFTAv1.0 whitepaper live at /whitepaper
All systems operational0 AI providers monitored, polled every 2 minutes
Live status
All endpoints

Premium Research Velocity

1 credit
GET /api/premium/research/velocity

Per-institution research output velocity computed from OpenAlex. Returns 30-day publication rate vs the 365-day baseline, direction classification (accelerating/steady/decelerating), notable-mover extraction, and breakdowns by country and publication type.

When to use this endpoint

For tracking which AI labs and academic institutions are accelerating or decelerating output. Useful for funding-trend analysis, talent watch, or competitive research-pace monitoring.

Example response

{ "ok": true, "as_of": "2026-05-09", "movers": [{ "institution": "DeepMind", "rate_30d": 4.2, "baseline_365d": 3.1, "direction": "accelerating" }], "by_country": { "US": 1842, "UK": 412 }, "billing": { "credits_charged": 1, "credits_remaining": 49 } }

Code samples

Python SDK

tf._get("/premium/research/velocity")

TypeScript SDK

await fetch("https://tensorfeed.ai/api/premium/research/velocity", { headers: { Authorization: "Bearer tf_live_..." } });

FAQ

License?

OpenAlex is CC0 (public domain). Commercial redistribution permitted; attribution included on every response.

What if OpenAlex rate-limits?

The endpoint returns a no-charge AFTA receipt with reason "upstream_failure" so the agent can retry without burning credits.