Hermes 3 405B Instruct

Nous ResearchFirst listed Jul 2025
Context
131K
Max output
131K
Serving providers
3
Cheapest input
$1.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
DeepInfraCheapest$1.00$1.001
Standarddeepinfra/NousResearch/Hermes-3-Llama-3.1-405B
ComponentUnitStandard
Text input/1M tok$1.00
Text output/1M tok$1.00
Nebius$1.00$3.001
OpenRouter$1.00$1.001
OpenRouter (free)Free tier only—1

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$0.50$1.00Aug 22Oct 4Oct 13Jun 22$1.00$1.00

Cost calculator

estimate your monthly spend on this model
$280
estimated / month

Model IDs

copy the exact identifier for your platform
nousresearch/hermes-3-llama-3.1-405b:freedeepinfra/NousResearch/Hermes-3-Llama-3.1-405Bnebius/NousResearch/Hermes-3-Llama-3.1-405Bnousresearch/hermes-3-llama-3.1-405b

Frequently asked questions

Hermes 3 405B Instruct pricing, context and availability

How much does Hermes 3 405B Instruct cost?

Hermes 3 405B Instruct costs $1.00 per 1M input tokens from DeepInfra, and $1.00 per 1M output tokens from DeepInfra.

What is the context window of Hermes 3 405B Instruct?

Hermes 3 405B Instruct accepts up to 131K tokens of context and can return up to 131K output tokens.

Which providers serve Hermes 3 405B Instruct?

Hermes 3 405B Instruct is available from 3 serving providers, each with its own pricing and model ID. DeepInfra is currently the cheapest.

What can Hermes 3 405B Instruct do?

Hermes 3 405B Instruct supports tool use.

Other Nous Research models

compare pricing across the Nous Research lineup
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI