Which model is better: DeepSeek-V4 Flash Vision Exp or o1?

**DeepSeek-V4 Flash Vision Exp delivers unmatched cost efficiency and speed over o1.** It is 99.1% cheaper at $0.14 input and $0.56 output per 1M tokens versus o1’s $15.00 and $60.00 (a 107.1x difference). Furthermore, it leads SWE-bench at 64.2% versus 48.9% and provides a 140ms TTFT, running 2460ms faster than o1.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension DeepSeek-V4 Flash Vision Exp o1 Net Delta / Advantage
Input Cost / 1M Tokens $0.14 $15.00 DeepSeek-V4 Flash Vision Exp is 107.1x cheaper
Output Cost / 1M Tokens $0.56 $60.00 DeepSeek-V4 Flash Vision Exp (99.1% lower)
Prompt Cache Read / 1M $0.014 $7.500 DeepSeek-V4 Flash Vision Exp is 535.7x cheaper
Prompt Cache Write / 1M $0.14 $15.00 DeepSeek-V4 Flash Vision Exp is 107.1x cheaper
Avg TTFT Response Latency 140ms 2600ms DeepSeek-V4 Flash Vision Exp (+2460ms faster)
SWE-bench Verified (Coding) 64.2% 48.9% DeepSeek-V4 Flash Vision Exp (+15.3% lead)
Inference Value Score (IVR) 79.9 / 100 35.5 / 100 DeepSeek-V4 Flash Vision Exp (+44.4 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

DeepSeek-V4 Flash Vision Exp $2.80

$0.14/1M in · $0.56/1M out

Prompt Cache: $0.014/1M read · $0.14/1M write

o1 $300.00

$15.00/1M in · $60.00/1M out

Prompt Cache: $7.500/1M read · $15.00/1M write

Projected Monthly Cost Reduction
$297.20 / mo
(99.1% lower cost with DeepSeek-V4 Flash Vision Exp)
A

When to Choose DeepSeek-V4 Flash Vision Exp

Choose DeepSeek-V4 Flash Vision Exp when you need Ultra-low-cost multimodal open weights with 1M context and multi-head latent attention for high-speed document and visual reasoning. and have an infrastructure budget aligned with $0.14/1M tokens.

B

When to Choose o1

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Related Questions & Decision Factors

Which is cheaper: DeepSeek-V4 Flash Vision Exp or o1?

DeepSeek-V4 Flash Vision Exp is cheaper at $0.14/1M input tokens compared to $15.00/1M for o1.

Which model has lower latency: DeepSeek-V4 Flash Vision Exp or o1?

DeepSeek-V4 Flash Vision Exp delivers faster response times with an average TTFT of 140ms vs 2600ms for o1.

When should you choose DeepSeek-V4 Flash Vision Exp?

Choose DeepSeek-V4 Flash Vision Exp when you need Ultra-low-cost multimodal open weights with 1M context and multi-head latent attention for high-speed document and visual reasoning. and have an infrastructure budget aligned with $0.14/1M tokens.

When should you choose o1?

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Explore Related Model Matchups