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Flagship — best answers, highest costCommercial API
GPT-6 Sol Pro Pricing
OpenAI · openai-gpt-6-sol-pro
Input / 1M tokens
$2.00
Output / 1M tokens
$10.00
Context window
1050k tokens
≈ 1,400 pages of text
Max output
128k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0064
1,000 requests / month$6.40/mo10,000 requests / month$64.00/mo100,000 requests / month$640.00/moEstimate your own workloadOpens the calculator with GPT-6 Sol Pro preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Large context and output capacity support extended document analysis, multi-step reasoning, and long-form coherent generation.
The business tradeoff
Output pricing at the high end increases costs for verbose responses; large context may introduce higher latency on complex queries.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Sep 22, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.