GPT-5.6 Sol (batch)
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OpenAI's GPT-5.6 flagship, available in limited preview through the OpenAI API and Codex for approved organizations.
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Context
1.1M
Input
$5
/1M tok
Output
$30
/1M tok
Blended
$11.25
#428/ 441/1M · 3:1
Speed
55
#94/ 441tok/s
Cache read
$0.25
0.05x input
Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter
| Reasoning effort | Index | Speed |
|---|---|---|
| max | 60.9 | 67 t/s |
| xhigh | 59.0 | 61 t/s |
| high | 57.3 | 60 t/s |
| medium | 55.6 | 54 t/s |
| low | 50.7 | 53 t/s |
| Non-reasoning | 41.9 | 54 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers
Reported on 17 evals across 10 domains - best 85.2% on MedScribe · #14 of 64
Reported eval scores
17IFBench66.5
SAGE52.6
Vals Index73.1
SciCode47.1
MedScribe85.2
MedCode44
TaxEval v274.8
CorpFin v264.4
MortgageTax67.3