ChatGPT
Chat assistants
General AI chat assistant from OpenAI with Free, Go, Plus and Pro plans.
Free planBahasa IndonesiaTested
Prices checked October 25, 2026
DeepSeek
Free chat assistant from DeepSeek with DeepThink and Search modes.
Quick answer
DeepSeek offers a free web and mobile chat assistant with DeepThink reasoning and web search, built on its own models. A pay-per-token API is available separately. The chat site offers a Bahasa Indonesia language option.
- Free plan: yes
- No paid plan with a published price.
- Bahasa Indonesia: interface in Bahasa Indonesia
- Our tests: NS-ID score 97.1 (DeepSeek V4.1 Flash)
Newly Stack is not the official site of DeepSeek and has no partnership with DeepSeek. Brand names are used for reference only. Facts below link to the official pages we read.
DeepSeek plans and prices
Prices as listed on the official pricing page. Taxes and local currency can change the final amount.
Plan, Price, Billing, Checked
| Plan | Price | Billing | Checked |
|---|---|---|---|
| Free chat | Free | per month | October 25, 2026 |
| API (deepseek-flash) | See note | usage based | October 25, 2026 |
Official sourceChecked October 25, 2026
Free plan
DeepSeek has a free plan.
Official sourceChecked October 25, 2026
Bahasa Indonesia support
- Interface in Bahasa Indonesia
- Yes
- Understands and writes Bahasa Indonesia
- Not verified
The chat.deepseek.com language selector includes Bahasa Indonesia. Chat input and output in Indonesian not confirmed on an official page.
Official sourceChecked October 25, 2026
Our test results
Scores and examples come only from tests we ran ourselves. Payment never changes a score.
NS-ID Bahasa Indonesia benchmark
Models used in DeepSeek, scored on our Bahasa Indonesia suite (0 to 100, model-graded).
| Model | Score | Tested |
|---|---|---|
| DeepSeek V4.1 Flash | 97.1 | October 25, 2026 |
| DeepSeek V4 Pro | 96.8 | October 25, 2026 |
Practical tests
- Best AI chat assistants
- Best AI for coding
- Best AI chat assistants
Key facts
- API context length
- 1M tokens (deepseek-flash and deepseek-v4-pro)
Official sourceChecked October 25, 2026
- API off-peak
- Off-peak rates are half of peak rates
Official sourceChecked October 25, 2026
Promos and deals
Score change log
| Date | Tool or model | Suite | Change | Reason |
|---|---|---|---|---|
| DeepSeek V4.1 Flash | ns-id-v1 | 97.13 | First publication of NS-ID v1 (run of 25 October 2026, model-graded), reviewed before launch. | |
| DeepSeek V4 Pro | ns-id-v1 | 96.8 | First publication of NS-ID v1 (run of 25 October 2026, model-graded), reviewed before launch. |
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Questions about DeepSeek
Is DeepSeek free?
DeepSeek has a free plan.
How much does DeepSeek cost?
The official site does not publish a fixed price for a paid plan. Check the official pricing page for the current offer.
Does DeepSeek support Bahasa Indonesia?
Yes. The chat.deepseek.com language selector includes Bahasa Indonesia. Chat input and output in Indonesian not confirmed on an official page.
Is this the official DeepSeek website?
No. Newly Stack is an independent directory. Use the official link on this page to sign up or buy.