DeepSeek Prover v2 671B vs DeepSeek V4 Flash
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| DeepSeek Prover v2 671B | DeepSeek V4 Flash | |
|---|---|---|
| Parameters | 684.5B | 158.1B |
| Context | 164K | 1049K |
| Architecture | DeepseekV3ForCausalLM | DeepseekV4ForCausalLM |
| License | — | MIT |
| Downloads | 734 | 3.4M |
| Released | Apr 2025 | May 2026 |
VRAM by Quantization: DeepSeek Prover v2 671B vs DeepSeek V4 Flash
| Quantization | Bits | DeepSeek Prover v2 671B VRAM | DeepSeek V4 Flash VRAM |
|---|---|---|---|
| BF16 | 16.00 | 1372.9 GB | — |
| IQ2_XS | 2.40 | — | 47.7 GB |
| IQ2_XXS | 2.20 | — | 43.8 GB |
| Q2_K | 3.40 | — | 67.5 GB |
| Q3_K_M | 3.90 | — | 77.4 GB |
| Q4_K_M | 4.80 | — | 95.2 GB |
| Q5_K_M | 5.70 | — | 113.0 GB |
| Q6_K | 6.60 | — | 130.7 GB |
| Q8_0 | 8.00 | — | 158.4 GB |
Verdict
DeepSeek V4 Flash supports a longer context window (1049K tokens). DeepSeek V4 Flash is the more widely downloaded of the two.
Frequently Asked Questions
- Which has a longer context window, DeepSeek Prover v2 671B or DeepSeek V4 Flash?
DeepSeek Prover v2 671B supports 163,840 tokens and DeepSeek V4 Flash supports 1,048,576 tokens.
- What is the difference between DeepSeek Prover v2 671B and DeepSeek V4 Flash?
DeepSeek Prover v2 671B is a 684.5B model from DeepSeek (DeepSeek family), while DeepSeek V4 Flash is a 158.1B model from DeepSeek (DeepSeek family). Compare their VRAM requirements above to see which fits your GPU or Mac.