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Flagship — best answers, highest costCommercial API
GPT-6.1 Sol Pro Pricing
OpenAI · openai-gpt-6-1-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-6.1 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
Processes 1M-token multimodal inputs and produces up to 128k-token outputs, supporting long-context document and image analysis.
The business tradeoff
Output pricing of $10 per million tokens raises costs for generation-intensive use; hosting variance and latency scale with context size.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Sep 29, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.