← All models
Flagship — best answers, highest costCommercial API
GPT-5.6 Sol Pricing
OpenAI · openai-gpt-5-6-sol
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-5.6 Sol preloaded — adjust volume and token counts there.
Price history
List price per 1M tokens since we started tracking in Jul 2026. Each step marks a price change — hover a point for the exact date and rate.
What it excels at
Handles 1M-token contexts and 128k-token outputs for long-document analysis and extended multimodal generation.
The business tradeoff
Output pricing of $30 per million tokens raises costs for high-volume or lengthy responses; large contexts increase latency.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Aug 21, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.