list prices · table 2026-10-26 · USD per 1M tokens

gpt-6.1-sol vs deepseek-flash

gpt-6.1-sol vs deepseek-flash: $2/$10 vs $0.3/$1.2 per 1M, the same workload priced on both; deepseek-flash is 86% cheaper per request.

gpt-6.1-soldeepseek-flash
Provider · tieropenai · middeepseek · fast
Input$2$0.3
Cached input$0.1$0.006
Cache write$2.5none
Output$10$1.2
Long-context tier> 272,000: $4 / $15none
Per request (2,000 in / 300 out)$0.007$0.0009599999999999999
Per month at 100k requests$700$96
…with the static prefix cached$415$52
Cheaper sibling (cascade)gpt-6-luna—

Through TokenZero

Point your SDK at the gateway and keep both keys; the cache formatter, response cache and advisory routing act on every request, and each one comes back with a signed receipt showing the list-price baseline, actual cost and the saving.

OPENAI_BASE_URL=https://tokenzero.sh/w/<key>/v1
ANTHROPIC_BASE_URL=https://tokenzero.sh/w/<key>

Questions

Which is cheaper, gpt-6.1-sol or deepseek-flash?
At list prices (table 2026-10-26) deepseek-flash is 86% cheaper per request on a 2,000-in / 300-out workload. Quality is a separate question: TokenZero's cascade only routes to a sibling it scores as sufficient and measures parity with shadow evaluation.

Where do these prices come from?
The providers' own pricing pages, re-verified on 2026-10-26; the gateway signs receipts with the same table.