RETIRING IN 78 DAYS
Sunset scheduled for 2026-12-03, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: context_tokens, input_price_per_mtok, max_output_tokens, output_price_per_mtok.
state=dying sunset=2026-12-03 days_remaining=78 severity=high sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=context_tokens,input_price_per_mtok,max_output_tokens,output_price_per_mtok checked=2026-09-16 03:02Z
deepseek/deepseek-v4-flash-0731
Vendor: deepseek. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | azure_ai/DeepSeek-V4-Flash-0731 | 1,000,000 | 128,000 | $0.44 | $1.32 | 2026-12-03 |
| openrouter | deepseek/deepseek-v4-flash-0731 | 1,310,720 | 943,718 | $0.055 | $0.11 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| info | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.06/Mtok to $0.06/Mtok | 2026-09-16 |
| info | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.12/Mtok to $0.11/Mtok | 2026-09-16 |
| info | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.01/Mtok to $0.01/Mtok | 2026-09-16 |
| low | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.05/Mtok to $0.06/Mtok | 2026-09-15 |
| low | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.10/Mtok to $0.12/Mtok | 2026-09-15 |
| low | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.01/Mtok to $0.01/Mtok | 2026-09-15 |
| info | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.06/Mtok to $0.05/Mtok | 2026-09-15 |
| info | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.12/Mtok to $0.10/Mtok | 2026-09-15 |
| info | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.01/Mtok to $0.01/Mtok | 2026-09-15 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.04/Mtok to $0.06/Mtok | 2026-09-14 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.08/Mtok to $0.12/Mtok | 2026-09-14 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.0080/Mtok to $0.01/Mtok | 2026-09-14 |
| info | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.07/Mtok to $0.04/Mtok | 2026-09-12 |
| info | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.18/Mtok to $0.08/Mtok | 2026-09-12 |
| info | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.02/Mtok to $0.0080/Mtok | 2026-09-12 |
| low | modified | wandb/deepseek-ai/DeepSeek-V4-Flash-0731: capabilities gained reasoning | 2026-09-11 |
| low | modified | deepseek/deepseek-v4-flash-0731: max_output_tokens raised 131,072 to 943,718 | 2026-09-08 |
| info | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.14/Mtok to $0.07/Mtok | 2026-09-08 |
| info | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.28/Mtok to $0.18/Mtok | 2026-09-08 |
| info | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.03/Mtok to $0.02/Mtok | 2026-09-08 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.05/Mtok to $0.14/Mtok | 2026-09-07 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.10/Mtok to $0.28/Mtok | 2026-09-07 |
| medium | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.0100/Mtok to $0.03/Mtok | 2026-09-07 |
| high | modified | deepseek/deepseek-v4-flash-0731: max_output_tokens cut 943,718 to 131,072 | 2026-09-06 |
| info | repriced | deepseek/deepseek-v4-flash-0731: input_price_per_mtok $0.07/Mtok to $0.05/Mtok | 2026-09-06 |
| info | repriced | deepseek/deepseek-v4-flash-0731: output_price_per_mtok $0.18/Mtok to $0.10/Mtok | 2026-09-06 |
| info | repriced | deepseek/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.02/Mtok to $0.0100/Mtok | 2026-09-06 |
| low | added | new model nebius/deepseek-ai/DeepSeek-V4-Flash-0731 (1,024,000 ctx) | 2026-09-06 |
| low | added | new model openrouter/deepseek/deepseek-v4-flash-0731 (1,310,720 ctx) | 2026-09-06 |
| medium | removed | [one catalog only — litellm, openrouter still list it] azure_ai/deepseek-v4-flash-0731 is no longer listed by this source — calls to it are expected to fail | 2026-09-03 |
| low | added | new model azure_ai/DeepSeek-V4-Flash-0731 (1,000,000 ctx) | 2026-09-03 |
| low | added | new model scaleway/deepseek-v4-flash-0731 (256,000 ctx) | 2026-09-03 |
| medium | deprecated | azure_ai/DeepSeek-V4-Flash-0731: retires 2026-12-03 (in 91 days) | 2026-09-03 |
| medium | repriced | fireworks_ai/deepseek-v4-flash-0731: input_price_per_mtok $0.14/Mtok to $0.22/Mtok | 2026-09-01 |
| medium | repriced | fireworks_ai/deepseek-v4-flash-0731: output_price_per_mtok $0.28/Mtok to $0.66/Mtok | 2026-09-01 |
| low | added | new model azure_ai/deepseek-v4-flash-0731 (1,000,000 ctx) | 2026-09-01 |
| low | added | new model qwen_ai_platform/deepseek-v4-flash-0731 (1,000,000 ctx) | 2026-09-01 |
| low | added | new model qwencloud/deepseek-v4-flash-0731 (1,000,000 ctx) | 2026-09-01 |
| info | repriced | fireworks_ai/deepseek-v4-flash-0731: cache_read_price_per_mtok $0.03/Mtok to $0.0070/Mtok | 2026-09-01 |
| medium | deprecated | azure_ai/deepseek-v4-flash-0731: retires 2026-12-03 (in 93 days) | 2026-09-01 |