Which model is better: DeepSeek-V4 Flash Vision Exp or GPT-4o?

DeepSeek-V4 Flash Vision Exp is 94.4% cheaper for input tokens ($0.14 vs. $2.50 per 1M tokens) and $0.56 vs. $10.00 for output tokens (17.9x cost difference). In terms of operational performance, DeepSeek-V4 Flash Vision Exp delivers faster response latency with 140ms TTFT (140ms faster than GPT-4o). DeepSeek-V4 Flash Vision Exp leads coding benchmarks at 64.2% SWE-bench vs. 48.0% for GPT-4o.
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 GPT-4o Net Delta / Advantage
Input Cost / 1M Tokens $0.14 $2.50 DeepSeek-V4 Flash Vision Exp is 17.9x cheaper
Output Cost / 1M Tokens $0.56 $10.00 DeepSeek-V4 Flash Vision Exp (94.4% lower)
Prompt Cache Read / 1M $0.014 $1.250 DeepSeek-V4 Flash Vision Exp is 89.3x cheaper
Prompt Cache Write / 1M $0.14 $2.50 DeepSeek-V4 Flash Vision Exp is 17.9x cheaper
Avg TTFT Response Latency 140ms 280ms DeepSeek-V4 Flash Vision Exp (+140ms faster)
SWE-bench Verified (Coding) 64.2% 48% DeepSeek-V4 Flash Vision Exp (+16.2% lead)
Inference Value Score (IVR) 79.9 / 100 49.3 / 100 DeepSeek-V4 Flash Vision Exp (+30.6 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

GPT-4o $50.00

$2.50/1M in · $10.00/1M out

Prompt Cache: $1.250/1M read · $2.50/1M write

Projected Monthly Cost Reduction
$47.20 / mo
(94.4% 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 GPT-4o

Choose GPT-4o when you need Flagship multimodal foundation model combining native text, vision, and audio processing for real-time enterprise AI. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.

Related Questions & Decision Factors

Which is cheaper: DeepSeek-V4 Flash Vision Exp or GPT-4o?

DeepSeek-V4 Flash Vision Exp is cheaper at $0.14/1M input tokens compared to $2.50/1M for GPT-4o.

Which model has lower latency: DeepSeek-V4 Flash Vision Exp or GPT-4o?

DeepSeek-V4 Flash Vision Exp delivers faster response times with an average TTFT of 140ms vs 280ms for GPT-4o.

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 GPT-4o?

Choose GPT-4o when you need Flagship multimodal foundation model combining native text, vision, and audio processing for real-time enterprise AI. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.

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