DeepSeek V4.1 Flash 1017 vs GPT-3.5 Turbo Instruct

Price, context window & benchmark comparison

DeepSeek

DeepSeek V4.1 Flash 1017

DeepSeek
$0.098 / $0.29
Input / Output · per 1M tokens
VS
OpenAI

GPT-3.5 Turbo Instruct

OpenAI
$1.50 / $2.00
Input / Output · per 1M tokens
Compare different models
DeepSeek
OpenAI
Verdict: DeepSeek V4.1 Flash 1017 is 11.1× cheaper than GPT-3.5 Turbo Instruct on a typical 3:1 input/output mix. DeepSeek V4.1 Flash 1017 has the larger context window (1M vs 4K).
DeepSeek V4.1 Flash 1017GPT-3.5 Turbo Instruct
Input price / 1M$0.098$1.50
Output price / 1M$0.29$2.00
Blended price (3:1)$0.15$1.63
Cached input / 1M$0.0029—
Context window1M4K
Max output393K4K
Intelligence index28.6—
Coding index——
Providers47—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-10-172023-09-28
Retirement——

Cost calculator

FAQ

Which is cheaper, DeepSeek V4.1 Flash 1017 or GPT-3.5 Turbo Instruct?

DeepSeek V4.1 Flash 1017 is 11.1× cheaper than GPT-3.5 Turbo Instruct on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash 1017 vs GPT-3.5 Turbo Instruct: which has a bigger context window?

DeepSeek V4.1 Flash 1017: 1,048,576 tokens. GPT-3.5 Turbo Instruct: 4,095 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash 1017 ≈ $343.00, GPT-3.5 Turbo Instruct ≈ $4,000.

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