DeepSeek AI models
5 current DeepSeek models on AIblogly, and 9 that DeepSeek has retired. The newest is DeepSeek V4.1-Flash, released 10 September 2026. The highest DeepSeek model on LMArena’s text leaderboard is DeepSeek V4.1-Flash, at rank 34.
Current DeepSeek models
| Model | Type | Released | Price | LMArena rank |
|---|---|---|---|---|
| DeepSeek V4.1-Flash | Text | 10 September 2026 | $0.30 / $1.20 per 1M tokens (peak, cache miss); $0.15 / $0.60 off-peak | #34 |
| DeepSeek V4-Pro | Text | 13 August 2026 | $1.32 / $3.96 per 1M tokens (peak, cache miss); $0.66 / $1.98 off-peak | #64 |
| DeepSeek V4-Flash | Text | 31 July 2026 | $0.15 / $0.60 per 1M tokens off-peak; $0.30 / $1.20 peak — figures are DeepSeek-V4.1-Flash, which now serves this model | #105 |
| DeepSeek V4 Flash High Preview | Text | — | $0.44 / $1.32 per 1M tokens (third-party listing via LMArena, not a DeepSeek price; model retired 10 September 2026) | #98 |
| DeepSeek R1 | Text | — | Open weights — not served by DeepSeek's API | #167 |
Retired DeepSeek models
DeepSeek no longer offers these through its API. Dates are the ones DeepSeek states; the replacement is the model it points users to.
| Model | Released | Retired | Description | Replacement |
|---|---|---|---|---|
| DeepSeek V3.2 | 1 December 2025 | Not on DeepSeek’s API | DeepSeek V3.2, released December 2025; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V3.1 Terminus Thinking | 22 September 2025 | Not on DeepSeek’s API | DeepSeek V3.1-Terminus in thinking mode, released 22 September 2025; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V3.1 | 21 August 2025 | Not on DeepSeek’s API | DeepSeek V3.1, released 21 August 2025; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V2.5 1210 | 10 December 2024 | Not on DeepSeek’s API | The final DeepSeek V2.5 update, released 10 December 2024; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek Coder V2 | — | Not on DeepSeek’s API | DeepSeek’s code model of June 2024; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek R1 0528 | — | Not on DeepSeek’s API | The May 2025 update of DeepSeek’s R1 reasoning model; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V2.5 | — | Not on DeepSeek’s API | DeepSeek’s 2024 model combining its chat and coder lines; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V3 | — | Not on DeepSeek’s API | DeepSeek V3, open weights; the API name deepseek-chat was discontinued on 24 July 2026. Source | DeepSeek V4 Pro, V4.1 Flash |
| DeepSeek V3 0324 | — | Not on DeepSeek’s API | The March 2025 update of DeepSeek V3; open weights. Source | DeepSeek V4 Pro, V4.1 Flash |
Frequently asked questions
What is DeepSeek's newest AI model?+
Of the DeepSeek models listed here, the most recently released is DeepSeek V4.1-Flash, released on 10 September 2026.
Which DeepSeek model ranks highest on LMArena?+
DeepSeek V4.1-Flash, at rank 34 on LMArena's text leaderboard (Elo 1476). The full table is at aiblogly.com/benchmarks.
Which DeepSeek AI models have been retired?+
DeepSeek V3.2 (retired Not on DeepSeek’s API); DeepSeek V3.1 Terminus Thinking (retired Not on DeepSeek’s API); DeepSeek V3.1 (retired Not on DeepSeek’s API); DeepSeek V2.5 1210 (retired Not on DeepSeek’s API); DeepSeek Coder V2 (retired Not on DeepSeek’s API); DeepSeek R1 0528 (retired Not on DeepSeek’s API); DeepSeek V2.5 (retired Not on DeepSeek’s API); DeepSeek V3 (retired Not on DeepSeek’s API), and 1 more.