vs
0:15
overall capability wins (2 ties across 17 scored). DeepSeek V4 Pro 0813 leads overall.
- Reasoning0:5
- Coding0:4
- Agents0:3
- Tool use0:2
- Composite indices0:2
- Pricing3:0
- Specs0:1
Verdict
DeepSeek V4 Pro 0813 leads coding (widest gap: +55.4 on DeepSWE); DeepSeek V4 Flash ships open weights (MIT); DeepSeek V4 Flash is ~11.3x cheaper on a blended token basis than DeepSeek V4 Pro 0813.
- DeepSeek V4 Pro 0813 leads coding (widest gap: +55.4 on DeepSWE)
- DeepSeek V4 Flash ships open weights (MIT)
- DeepSeek V4 Flash is ~11.3x cheaper on a blended token basis than DeepSeek V4 Pro 0813
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- DeepSeek V4 Flash
- $0.21
- DeepSeek V4 Pro 0813
- $2.31
DeepSeek V4 Flash is about 11.0x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
DeepSeek
DeepSeek
Family
DeepSeek
DeepSeek
License
MIT
Proprietary
Open weights
Yes
No
Release
Apr 24, 2026
Aug 13, 2026
Knowledge cutoff
-
-
API / provider
DeepSeek
DeepSeek
Modalities
text → text
text → text
Specs
Context window
1M
1M
Max output
384K
384K
Parameters
284B (13B act.)
1.6T (49B act.)
Pricing
Input $/1M
$0.14
$1.32
Output $/1M
$0.28
$3.96
Blended $/1M (3∶1)
$0.18
$1.98
Speed
tok/s
120
-
TTFT (s)
0.25
-
Reasoning
MMLU-Pro
—
—
GPQA Diamond
89.4
92.8
Humanity's Last Exam
34.8
41.0
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
36.8
49.1
AA-LCR v1.1
74.3
80.3
CritPt
7.1
18.0
MMMU-Pro
—
—
IFBench
79.2
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
61.8
78.7
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
45.3
51.0
CursorBench
—
—
SWE-Rebench
38.4
—
NL2Repo-Bench
39.4
61.5
DeepSWE
7.3
62.7
WebDev Arena
1,580
—
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,436
—
| Metric | DeepSeek V4 Flash | DeepSeek V4 Pro 0813 | Delta |
|---|---|---|---|
| Identity | |||
| Organization | DeepSeek | DeepSeek | — |
| Family | DeepSeek | DeepSeek | — |
| License | MIT | Proprietary | — |
| Open weights | Yes | No | — |
| Release | Apr 24, 2026 | Aug 13, 2026 | — |
| Knowledge cutoff | - | - | — |
| API / provider | DeepSeek | DeepSeek | — |
| Modalities | text → text | text → text | — |
| Specs | |||
| Context window | 1M | 1M | tie |
| Max output | 384K | 384K | tie |
| Parameters | 284B (13B act.) | 1.6T (49B act.) | B +1K |
| Pricing | |||
| Input $/1M | $0.14 | $1.32 | A +$1.18 |
| Output $/1M | $0.28 | $3.96 | A +$3.68 |
| Blended $/1M (3∶1) | $0.18 | $1.98 | A +$1.80 |
| Speed | |||
| tok/s | 120 | - | — |
| TTFT (s) | 0.25 | - | — |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 89.4 | 92.8 | B +3.4 pts |
| Humanity's Last Exam | 34.8 | 41.0 | B +6.2 pts |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | 36.8 | 49.1 | B +12.3 pts |
| AA-LCR v1.1 | 74.3 | 80.3 | B +6.0 pts |
| CritPt | 7.1 | 18.0 | B +10.9 pts |
| MMMU-Pro | — | — | — |
| IFBench | 79.2 | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | 61.8 | 78.7 | B +16.9 pts |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 45.3 | 51.0 | B +5.7 pts |
| CursorBench | — | — | — |
| SWE-Rebench | 38.4 | — | — |
| NL2Repo-Bench | 39.4 | 61.5 | B +22.1 pts |
| DeepSWE | 7.3 | 62.7 | B +55.4 pts |
| WebDev Arena | 1,580 | — | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,436 | — | — |
DeepSeek V4 Flash
- Context
- 1M / 384K out
- Parameters
- 284B (13B act.)
- Price
- $0.14 / $0.28
- Speed
- 120 tok/s · 0.25s TTFT
- Modalities
- text → text
- License
- MIT
Budget DeepSeek V4 API tier (Apr 2026 preview). Superseded by DeepSeek-V4-Flash-0731 (public beta), which re-post-trains the same architecture and reports far stronger agent benchmarks.
DeepSeek V4 Pro 0813
- Context
- 1M / 384K out
- Parameters
- 1.6T (49B act.)
- Price
- $1.32 / $3.96 peak · $0.66 / $1.98 off-peak
- Speed
- —
- Modalities
- text → text
- License
- Proprietary
GA release of DeepSeek-V4-Pro (Aug 13, 2026) with substantially enhanced agentic coding (Terminal-Bench 2.1 87.9, NL2Repo 61.5, DeepSWE 62.7), native Responses API support, and low/high/max thinking-effort control. HLE is 42.7 without tools and 60.0 with tools. The hosted 0813 checkpoint weights are not yet published. Peak/off-peak API pricing took effect Aug 16, 2026: $1.32 in / $3.96 out peak, $0.66 in / $1.98 out off-peak (per 1M tokens).
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.