Nous Research

Hermes 3 70B Instruct

$0.70 per 1M input tokens and $0.70 per 1M output tokens · 131K context · JSON, open weights.

Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026

Scheduled for retirement on 2026-11-02. Plan a replacement — for example MiMo-V2.6-Pro, or see the cheaper alternatives below.
$0.70
input / 1M tokens
$0.70
output / 1M tokens
131K
context window
16K
max output
6.7
Artificial Analysis intelligence index

What Hermes 3 70B Instruct costs per month

Estimated monthly bill for typical workloads. Try your own numbers in the cost calculator.

WorkloadPer month
Customer chatbot
1,000 conversations a day, 8 turns each
$311
Document Q&A (RAG)
500 questions a day over retrieved documents
$68.25
Coding / tool-using agent
200 tasks a day, long tool-heavy contexts
$269
Content generation
30 long articles a day
$3.47
Classification / extraction
100,000 short items a day
$662

Price history

We started tracking Hermes 3 70B Instruct on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.

Cheaper alternatives to Hermes 3 70B Instruct

Models with the same structured output for at least 20% less (3:1 input/output mix), most capable first.

Cheaper alternatives to Hermes 3 70B Instruct
Model Input / 1M Output / 1M Context Capabilities
MiMo-V2.6-Pro
Xiaomi
$0.435 $0.87 1.05M visionaudiotoolsreasoningJSONopen weights
GLM 5.3
Z.ai
$0.079 $1.40 1.05M toolsreasoningJSONopen weights
Claude Haiku 5.5
Anthropic
$0.10 $0.50 1M visiontoolsreasoningJSON
GLM 5.3 Flash
Z.ai
$0.041 $0.12 1.05M visiontoolsreasoningJSONopen weights
Ling 3.1 Flash
inclusionAI
$0.075 $0.225 262K toolsreasoningJSON

What to switch to before Hermes 3 70B Instruct is retired

Replacements with the same must-have capabilities (text) and enough context, most capable first. See all models being retired.

ReplacementInput / 1MOutput / 1MPrice vs today
Claude Opus 5.5$4.00$20.00 1043% more
Claude Sonnet 5.5$2.00$10.00 471% more
Claude Fable 5.1$10.00$50.00 2757% more
GPT-6 Astra$10.00$50.00 2757% more

How to pay less for Hermes 3 70B Instruct

For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $311 a month at list price without caching:

OptionPer monthYou save
Move to MiMo-V2.6-Pro (similar capabilities)$136$174 (56%)

Other workloads: cut-your-bill tool for Hermes 3 70B Instruct.

Specifications

Model IDnousresearch/hermes-3-llama-3.1-70b
Inputtext
Outputtext
Tool callingNo
Structured outputYes
Reasoning modeNo
Open weightsYes — NousResearch/Hermes-3-Llama-3.1-70B
Knowledge cutoff2023-12-31
ReleasedAug 18, 2024

FAQ

How much does Hermes 3 70B Instruct cost?
$0.70 per million input tokens and $0.70 per million output tokens. Prices as of Oct 21, 2026.
What is the context window of Hermes 3 70B Instruct?
131K tokens, with up to 16K output tokens per response.
Does Hermes 3 70B Instruct support images, tools and structured output?
Images as input: no. Tool calling: no. Structured (JSON) output: yes. Reasoning mode: no.
What are cheaper alternatives to Hermes 3 70B Instruct?
Models with the same key capabilities for at least 20% less include MiMo-V2.6-Pro ($0.435 / $0.87), GLM 5.3 ($0.079 / $1.40), Claude Haiku 5.5 ($0.10 / $0.50).

More from Nous Research: all Nous Research models · how we collect prices