DeepSeek V4 Flash 0731 vs Hermes 4 405B

Price, context window & benchmark comparison

DeepSeek V4 Flash 0731

DeepSeek

$0.0434 / $0.30

Input / Output · per 1M tokens

Hermes 4 405B

Nous Research

$1.00 / $3.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0731 is 13.9× cheaper than Hermes 4 405B on a typical 3:1 input/output mix. DeepSeek V4 Flash 0731 has the larger context window (1M vs 131K).

	DeepSeek V4 Flash 0731	Hermes 4 405B
Input price / 1M	$0.0434	$1.00
Output price / 1M	$0.30	$3.00
Blended price (3:1)	$0.11	$1.50
Cached input / 1M	$0.035	$0.20
Context window	1M	131K
Max output	944K	118K
Intelligence index	—	—
Coding index	69.1	—
Providers	27	—
Best provider uptime (30m)	100.0%	—
Vision input	No	No
Reasoning	Yes	Yes
Tool calling	Yes	No
Released	2026-07-31	2025-08-26
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0731 or Hermes 4 405B?

DeepSeek V4 Flash 0731 is 13.9× cheaper than Hermes 4 405B on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0731 vs Hermes 4 405B: which has a bigger context window?

DeepSeek V4 Flash 0731: 1,048,576 tokens. Hermes 4 405B: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $236.80, Hermes 4 405B ≈ $3,500.

More comparisons