GPT-6.1 Sol vs Gemini 3.1 Pro Preview
GPT-6.1 Sol costs less on both: $0.60 in and $3.00 out per million tokens, against $1.20 in and $7.20 out for Gemini 3.1 Pro Preview. Both on one key at UplinkSwitch, each next to its developer's list price.
Prices · per million tokens, USD
| Tokens | GPT-6.1 Solgpt-6.1-sol | Gemini 3.1 Pro Previewgemini-3.1-pro-preview |
|---|---|---|
| Input | $0.60OpenAI lists $2.00 · 70% under | $1.20Google lists $2.00 · 40% under |
| Cached input | $0.06OpenAI lists $0.10 · 40% under | $0.12Google lists $0.20 · 40% under |
| Output | $3.00OpenAI lists $10.00 · 70% under | $7.20Google lists $12.00 · 40% under |
| Context window | 1,050,000 tokens | 1,048,576 tokens |
| Max output | 128,000 tokens | 65,536 tokens |
| Input | text, image | text, image, audio, video |
| Released | 2026-09-29 | 2026-02-19 |
| Formats | OpenAI SDK | Gemini SDK, OpenAI SDK |
| Developer | OpenAI |
List price: each developer's published rate, read October 2026. A model with no cached rate bills cached tokens at its input rate. Live from GET https://api.uplinkswitch.com/v1/catalog.
What the same work costs · USD, here and at list
| Work | GPT-6.1 Sol | Gemini 3.1 Pro Preview |
|---|---|---|
| 1,000 chat requests | $2.70list $9.00 | $6.00list $10.00 |
| 100 long documents | $3.60list $12.00 | $7.44list $12.40 |
| A month of both, daily | $189.00list $630.00 | $403.20list $672.00 |
A chat request is 2,000 input and 500 output tokens; a long document is 50,000 in and 2,000 out; the month is 1,000 chats and 100 documents a day for 30 days, uncached. Over that month GPT-6.1 Sol costs $214.20 less here.
Same key, same URL
One base URL and one key serve both models. The request below calls GPT-6.1 Sol; put gemini-3.1-pro-preview in the model field to call Gemini 3.1 Pro Preview instead.
shell
curl https://api.uplinkswitch.com/v1/chat/completions \
-H "authorization: Bearer sk-uplink-live-..." \
-H "content-type: application/json" \
-d '{"model":"gpt-6.1-sol","messages":[{"role":"user","content":"Hello"}]}'Model pages: GPT-6.1 Sol, Gemini 3.1 Pro Preview. Pricing by family: GPT, Gemini. More comparisons: Claude Opus 5.5 vs GPT-6.1 Sol, Claude Sonnet 5.5 vs GPT-6.1 Sol, Grok 4.6 vs GPT-6.1 Sol, Claude Opus 5.5 vs Gemini 3.1 Pro Preview.
Questions
- Which costs less, GPT-6.1 Sol or Gemini 3.1 Pro Preview?
- GPT-6.1 Sol costs less on both: $0.60 in and $3.00 out per million tokens, against $1.20 in and $7.20 out for Gemini 3.1 Pro Preview.
- Can I switch between them by changing the model id?
- Yes. Both answer in the OpenAI SDK format at the same base URL with the same key. Change the model id from gpt-6.1-sol to gemini-3.1-pro-preview and nothing else.
- Is there a subscription?
- No. Prepaid credit from $10, with no subscription or monthly fee. Each top-up locks your prices for 30 days.
- Is GPT-6.1 Sol better than Gemini 3.1 Pro Preview?
- Better depends on the job; this page compares what the catalog can measure. GPT-6.1 Sol costs less on both: $0.60 in and $3.00 out per million tokens, against $1.20 in and $7.20 out for Gemini 3.1 Pro Preview. GPT-6.1 Sol takes 1,050,000 tokens of context against 1,048,576 for Gemini 3.1 Pro Preview. GPT-6.1 Sol is the newer release. Both run on the same key, so the fair test is your own prompt sent to each model id.