Which model is better: DeepSeek V4 Flash Vision (Exp) or GPT-6 Astra?
DeepSeek V4 Flash Vision (Exp) is 97.8% cheaper for input tokens ($0.22 vs. $10.00 per 1M tokens) and $0.65 vs. $50.00 for output tokens (45.5x cost advantage). In terms of operational performance, DeepSeek V4 Flash Vision (Exp) delivers lower response latency at 310ms TTFT (430ms faster than GPT-6 Astra) with 165 vs. 74 tok/s throughput. DeepSeek V4 Flash Vision (Exp) leads coding evaluations at 77.4% SWE-bench Verified vs. 75.7% for GPT-6 Astra and 91.3% vs. 96.0% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
Verified Performance & Unit Economics Delta (12 Dimensions)
Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.
Metric / Dimension
DeepSeek V4 Flash Vision (Exp)
GPT-6 Astra
Net Delta / Advantage
Input Cost / 1M Tokens
$0.22
$10.00
DeepSeek V4 Flash Vision (Exp) is 45.5x cheaper
Output Cost / 1M Tokens
$0.65
$50.00
DeepSeek V4 Flash Vision (Exp) (98.7% lower)
Prompt Cache Read / 1M
$0.007
$1.000
DeepSeek V4 Flash Vision (Exp) is 144.9x cheaper
Prompt Cache Write / 1M
$0.22
$12.50
DeepSeek V4 Flash Vision (Exp) is 56.8x cheaper
Context Window (Max Output)
1,049k (128k out)
1,075k (128k out)
GPT-6 Astra (1.0x larger context)
Avg TTFT Response Latency
310ms
740ms
DeepSeek V4 Flash Vision (Exp) (430ms faster)
Generation Speed (Throughput)
165 tok/s
74 tok/s
DeepSeek V4 Flash Vision (Exp) (+91 tok/s faster)
SWE-bench Verified (Coding)
77.4%
75.7%
DeepSeek V4 Flash Vision (Exp) (+1.7% lead)
GPQA Diamond (PhD STEM)
91.3%
96%
GPT-6 Astra (+4.7% lead)
MMLU-Pro (Multi-Discipline)
87.3%
91.2%
GPT-6 Astra (+3.9% lead)
MATH-500 (Quantitative Logic)
96.4%
98%
GPT-6 Astra (+1.6% lead)
Inference Value Score (IVR)
81.6 / 100
47.6 / 100
DeepSeek V4 Flash Vision (Exp) (+34 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
25.0M Tokens
500K50M250M500M+
5.0M Tokens
100K25M75M150M+
50% Cached
0% (Uncached)25%50% (Typical Agent)95% Max
Estimated Monthly Spend
DeepSeek V4 Flash Vision (Exp)$6.09
$0.22/1M in · $0.65/1M out
Prompt Cache: $0.007/1M read · $0.22/1M write
GPT-6 Astra$387.50
$10.00/1M in · $50.00/1M out
Prompt Cache: $1.000/1M read · $12.50/1M write
Projected Monthly Cost Reduction
$381.41 / mo
(98.4% lower cost with DeepSeek V4 Flash Vision (Exp))