V4 Pro 0813 vs GPT-5.6 Sol
53 vs 61 on intelligence, an order of magnitude apart on price
Sol is GPT-5.6’s top tier (GA 2026-07-09). Pro 0813 is DeepSeek’s open flagship (GA 2026-08-13). Independent AA pages that still say Pro 45 are pre-0813 until refreshed.
Highlights
DeepSeek side
Official agent table vs Fable/K3/Opus-4.8. Not an AA 0813 index yet in this pack.
OpenAI top tier
Sol scores 61 on the Artificial Analysis Intelligence Index (Max). It lists at $5/M input and $30/M output; the 2026-07-30 price cut only touched Terra and Luna.
Old AA Pro
“45 vs 57” compared an older V4 Pro. Footnote it or drop it.
Weights
0813 you can download. Sol you cannot.
The matchup
Searchers want a single winner. Give them a job split: Sol for polished long reasoning and OpenAI product surface; 0813 for open agents and token bills.
Why it is trending
GPT-5.6 has Sol/Terra/Luna. This page’s opponent is Sol only. Link the existing Sol vs Terra vs Luna guide.
Timeline
GPT-5.6 GA, Sol is the top tier.
Pro 0813 GA.
Re-open AA Pro 0813 vs Sol before hitting publish.
Confirmed vs caution
Usable now
Official DeepSeek 0813 agent table; Sol’s public AA 61 and $5/$30-class pricing (verify).
Conclusions that do not hold
Pre-0813 AA 45 as if it were this build. Third-party $3.75/$22.5 Sol quotes without OpenAI confirmation.
Pick by job
Pick Sol
Closed flagship reasoning, Codex-native stories, when the last points of quality matter more than 10× price.
Pick 0813
Self-host, open agents, huge volume, DeepSeek Harness Minimal parity with the published table.
How to use it
To choose within GPT-5.6, see /gpt-5-6-sol-vs-terra-vs-luna. For V4 Pro 0813's full specs and benchmarks, see /deepseek-v4-pro-0813.
On QCode
QCode currently lists both deepseek-v4-pro and gpt-5.6-sol on /models, so you can compare them with a single key.
FAQ
Did 0813 beat Sol?
On the Artificial Analysis Intelligence Index, GPT-5.6 Sol scores 61 and DeepSeek V4 Pro 0813 scores 53. Sol leads, but V4 Pro's input price is roughly a ninth of Sol's.
What AA number is safe?
Sol Max 61 from the Grok 4.6 AA article. 0813: wait or footnote stale 45.
Context windows?
Pro 1M official. Sol often listed ~1.05M API — confirm on OpenAI/QCode models.
Codex?
DeepSeek added native Responses/Codex notes on Flash and Pro. Sol is native to the OpenAI/Codex world.
Terra/Luna instead?
GPT-5.6 Terra and Luna are cheaper tiers with their own pricing and capability profile — see /gpt-5-6-sol-vs-terra-vs-luna.
Peak DeepSeek vs Sol bill?
Even peak Pro $3.96 out is far under typical Sol output.
Sources
HF 0813 table; OpenAI GPT-5.6 materials; AA Grok 4.6 article for Sol 61; stale AA Pro compare URL.
Don’t crown a winner on a stale index
Ship the caveat in the hero. Engineers can flip one paragraph when AA updates 0813.
Related
0813 guide
GA specs.
Pro vs Fable 5
Same-table agent grid.
Sol vs Terra vs Luna
Existing GPT-5.6 cluster.
Not affiliated with DeepSeek or OpenAI. DeepSeek pricing moves to peak/off-peak rates from 2026-08-16 16:00 UTC.