Two checks — cost and trust
Kraken vs OKX.
Top score today:Kraken88— updated 2026-10-04
Lowest: OKX 84/100, updated 2026-10-04 — 2 exchanges scored.
Cheaper right now:OKX3.81 USDT— 1,000 USDT buy, measured 2026-10-04 14:48 UTC
Kraken 5.44 USDT — 1.63 USDT more for the same buy.
Moments and sizes change the answer — the live comparison recomputes for your exact trade.
Kraken
- Published fee (maker / taker)
- 0.25% / 0.40%
- Reliability Score
- 88 / 100
- Measured cost · 1,000 USDT BTC buy
- 5.44 USDT
- You get
- 0.01168482 BTC
- Of which hidden spread
- 0.16 USDT
- BTC withdrawal
- 1.28 USDT (0.000015 BTC)
live orderbook · 110s old at measurement · via USDT
Open Kraken ↗neutral link
OKX
- Published fee (maker / taker)
- 0.08% / 0.10%
- Reliability Score
- 84 / 100
- Measured cost · 1,000 USDT BTC buy
- 3.81 USDT
- You get
- 0.01170395 BTC
- Of which hidden spread
- 0.34 USDT
- BTC withdrawal
- 2.47 USDT (0.000029 BTC)
live orderbook · 50s old at measurement · via USDT
Open OKX ↗affiliate link
Sources & method
- Cost = live public orderbook walked for the exact 1,000 USDT order + published base-tier fee + published withdrawal fee; ranked by what you receive.
- Reliability Score: sourced and dated, never part of the cost ranking; affiliate links never influence either.
- Cost method → · Score method → · Kraken record → · OKX record →
Questions, answered
Is Kraken or OKX cheaper for buying Bitcoin?
At 2026-10-04 14:48 UTC, a 1,000 USDT Bitcoin buy cost 3.81 USDT all-in on OKX versus 5.44 USDT on Kraken — fee plus measured spread.
Is Kraken or OKX safer?
No safety verdicts — on Skontro's sourced Reliability Score, Kraken 88/100 (updated 2026-10-04) and OKX 84/100 (updated 2026-10-04) — Kraken scores higher.
More comparisons
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Not investment advice. Skontro is not a CASP under MiCAR. Reliability Scores are information, not recommendations: every negative datapoint is dated and sourced, the methodology is public, and no exchange can pay to change a score.