MODEL PROOF
DeepSeek V4.1 Flash 1017
NO LMARENA GENERAL SCORE
No LMArena general score is attached to this listing.
Price under confirmation since 2026-10-21. Upstream lists another price for this model now, or other prices from its sellers. What is shown is the last we published; the new figures are published once a second day shows the same values. · Serving precision differs between offers.
- Independent LMArena score
- No LMArena general score
- Context window
- 1.05M
- Maximum output
- 393.22K
- Input modalities
- text, image
- Output modalities
- text
- Published input price
- $0.200 / 1M tokens
- Published output price
- $0.600 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from DeepInfra: the cheapest offer that is serving, at standard delivery, with at least 90% of the reference context and at a declared precision that is not 4-bit (fp8), at its standard rate. The maker’s own precision is not known.
Price under confirmation since 2026-10-21 Upstream lists another price for this model now, or other prices from its sellers. What is shown is the last we published; the new figures are published once a second day shows the same values.
Cheaper right now: $0.098 in · $0.294 out per million tokens at DeepInfra, a promotion of 51%. The price on this page is DeepInfra’s standard rate: the ranking uses the standard rate, never a promotion.
Every price dimension · USD per million tokens
| Input | $0.200/M |
|---|---|
| Output | $0.600/M |
| Cached input | $0.0060/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
Headline cheapest is a lower precision. Like-for-like at the best declared precision is $0.080/M from InferenceNet.
11 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Relacerelace Endpoint terms
| $0.050 | $0.600 | undeclared | 100.00% |
| DeepInfradeepinfra/fp8/flex Endpoint terms
| $0.078 | $0.235 | fp8 | 95.32% |
| InferenceNetinference-net/fp8 Endpoint terms
| $0.080 | $0.500 | fp8 | 100.00% |
| DeepInfradeepinfra/fp8 Endpoint terms
| $0.098 | $0.294 | fp8 | 98.55% |
| Cloudflarecloudflare Endpoint terms
| $0.100 | $0.600 | undeclared | 98.53% |
| DeepInfradeepinfra/fp8/priority Endpoint terms
| $0.147 | $0.441 | fp8 | 98.06% |
| Parasailparasail/fp8 Endpoint terms
| $0.300 | $1.20 | fp8 | 100.00% |
| DeepSeekdeepseek Endpoint terms
| $0.300 | $1.20 | undeclared | 100.00% |
| Fireworksfireworks Endpoint terms
| $0.300 | $1.20 | undeclared | 100.00% |
| PrimeIntellectprimeintellect Endpoint terms
| $0.300 | $1.20 | undeclared | 99.35% |
| BaseTenbaseten Endpoint terms
| $0.300 | $1.20 | undeclared | 100.00% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- Game development #7 1363
- Spreadsheet #7 1233
- Code categories #8 1335
- Data visualisation #9 1335
- 3D #9 1372
- Websites #11 1312
- UI components #17 1300
- ASCII art #18 1244
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 1M |
|---|---|
| Max output | 393K |
| Input modes | text, image |
| Tool use | yes |
| Reasoning | optional |
| Open weights | Unknown |
Provenance
| Price source | Published record of 2026-10-18, under confirmation since 2026-10-21 |
|---|---|
| Fetched | 2026-10-21 |
| Held | Price and provider offers kept at the published record of 2026-10-18 until a second day confirms the newer upstream value, or after 3 days until one day’s two readings agree. |
| Quality data | unrated |
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
Questions this page answers
What does DeepSeek V4.1 Flash 1017 cost?
$0.200/M in, $0.600/M out: the published record of 2026-10-18, under confirmation since 2026-10-21. That is the API row, not a subscription.
Does DeepSeek V4.1 Flash 1017 have an independent quality score?
DeepSeek V4.1 Flash 1017 has no LMArena general score in this catalogue. Unrated is not a score of zero.
What beats DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 has no LMArena general score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for DeepSeek V4.1 Flash 1017?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean DeepSeek V4.1 Flash 1017 scored zero?
Unrated is not a score of zero.
Is the cheapest DeepSeek V4.1 Flash 1017 endpoint the same product?
Headline cheapest is a lower precision. Like-for-like at the best declared precision is $0.080/M from InferenceNet.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/deepseek__deepseek-v4.1-flash-1017/)<a href="https://undominated.ai/models/deepseek__deepseek-v4.1-flash-1017/"><img src="https://undominated.ai/badge/deepseek__deepseek-v4.1-flash-1017.svg" alt="DeepSeek V4.1 Flash 1017 — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/deepseek__deepseek-v4.1-flash-1017.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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