GPT-3.5 Turbo Instruct vs Qwen3.8 Omni Flash

Price, context window & benchmark comparison

GPT-3.5 Turbo Instruct

OpenAI

$1.50 / $2.00

Input / Output · per 1M tokens

Qwen3.8 Omni Flash

Qwen (Alibaba)

$0.15 / $0.47

Input / Output · per 1M tokens

Compare different models

Verdict: Qwen3.8 Omni Flash is 7.1× cheaper than GPT-3.5 Turbo Instruct on a typical 3:1 input/output mix. Qwen3.8 Omni Flash has the larger context window (1M vs 4K).

	GPT-3.5 Turbo Instruct	Qwen3.8 Omni Flash
Input price / 1M	$1.50	$0.15
Output price / 1M	$2.00	$0.47
Blended price (3:1)	$1.63	$0.23
Cached input / 1M	—	$0.016
Context window	4K	1M
Max output	4K	131K
Intelligence index	—	—
Coding index	—	—
Providers	—	1
Best provider uptime (30m)	—	100.0%
Vision input	No	Yes
Reasoning	No	Yes
Tool calling	No	Yes
Released	2023-09-28	2026-09-21
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, GPT-3.5 Turbo Instruct or Qwen3.8 Omni Flash?

Qwen3.8 Omni Flash is 7.1× cheaper than GPT-3.5 Turbo Instruct on a typical 3:1 input/output mix.

GPT-3.5 Turbo Instruct vs Qwen3.8 Omni Flash: which has a bigger context window?

GPT-3.5 Turbo Instruct: 4,095 tokens. Qwen3.8 Omni Flash: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-3.5 Turbo Instruct ≈ $4,000, Qwen3.8 Omni Flash ≈ $535.00.

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