API price comparison · Updated
GPT-6.1 Sol costs $2.00 per million input tokens and $10.00 per million output tokens; DeepSeek V4.1 Flash costs $0.30 and $1.20. For an agent task (80,000 input tokens, 60,000 of them cached, and 6,000 output), GPT-6.1 Sol costs $0.106 and DeepSeek V4.1 Flash $0.014: GPT-6.1 Sol costs 7.8× as much.
DeepSeek V4.1 Flash costs 86% less for this workload. Excludes cache writes, tools and taxes.
| Price | GPT-6.1 Sol | DeepSeek V4.1 Flash |
|---|---|---|
| Model ID | gpt-6.1-sol | deepseek-ai/DeepSeek-V4.1-Flash |
| Input | $2.00 | $0.30 |
| Cache read | $0.10 | $0.006 |
| Cache write | $2.50 | — |
| Output | $10.00 | $1.20 |
| Batch in / out | $1.00 / $5.00 | No Batch rate |
| Long prompts | Over 272,000: $4.00 / $15.00 | Same rate |
| Scheduled change | None announced | None announced |
| Status | Available | Available |
Prices for each provider’s own API, from OpenAI’s pricing page and Together AI’s pricing page. The lower price in each row is highlighted. Ganivra uses these same rates to price GPT-6.1 Sol and DeepSeek V4.1 Flash calls.
Worked out from the prices above at standard rates, with no Batch discount. Long-prompt rates apply where a model has them.
| Request | GPT-6.1 Sol | DeepSeek V4.1 Flash | Per 1,000 requests | Difference |
|---|---|---|---|---|
| Chat reply3,000 input tokens, 500 output | $0.011 | $0.0015 | $11.00 / $1.50 | GPT-6.1 Sol costs 7.3× as much |
| Document summary30,000 input tokens, 1,500 output | $0.075 | $0.011 | $75.00 / $10.80 | GPT-6.1 Sol costs 6.9× as much |
| Agent task80,000 input tokens (60,000 cached), 6,000 output | $0.106 | $0.014 | $106 / $13.56 | GPT-6.1 Sol costs 7.8× as much |
| Long document300,000 input tokens, 2,000 output | $1.23 | $0.092 | $1,230 / $92.40 | GPT-6.1 Sol costs 13× as much |
Ganivra prices every GPT-6.1 Sol and DeepSeek V4.1 Flash call you make and adds it up by customer, feature and workflow, next to what each customer pays. Switch a workflow and see what it did to each customer’s margin.
Per million tokens, GPT-6.1 Sol costs $2.00 input and $10.00 output, and DeepSeek V4.1 Flash $0.30 input and $1.20 output. For an agent task (80,000 input tokens, 60,000 of them cached, and 6,000 output), GPT-6.1 Sol costs 7.8× as much: $106 against $13.56 per 1,000 tasks.
$2.00 input and $10.00 output per million tokens on OpenAI's API, with cached input at $0.10 and Batch at $1.00 input and $5.00 output. Prompts over 272,000 tokens cost $4.00 input and $15.00 output.
$0.30 input and $1.20 output per million tokens on Together AI's API, with cached input at $0.006. The rate is the same at any prompt length.
For a 300,000 input tokens, 2,000 output request, GPT-6.1 Sol costs $1.23 and DeepSeek V4.1 Flash $0.092: GPT-6.1 Sol costs 13× as much. On GPT-6.1 Sol, prompts over 272,000 tokens cost $4.00 input and $15.00 output for the whole request; on DeepSeek V4.1 Flash, one rate at any prompt length.
Record what each call actually used, then price the same usage on both models. Ganivra does this from your recorded calls: it shows what each customer, feature and workflow would cost on GPT-6.1 Sol and on DeepSeek V4.1 Flash, next to what each customer pays you.
Every model on one page: GPT-6.1 Sol pricing · DeepSeek V4.1 Flash pricing · all model price comparisons · all supported models.