Hermes 3 405B Instruct API pricing

3 providers serve Hermes 3 405B Instruct. Hermes 3 405B Instruct is a proprietary API model, up to 131K context. Prices below are per 1M tokens, cheapest input first.

Refreshed 2026-08-23 · list prices from provider APIs
Input floor $1.00/1M at DeepInfra, Nebius and OpenRouter Output floor $1.00/1M at DeepInfra and OpenRouter Find your workload winner →
Provider Input $/1M Output $/1M Cache read $/1M Context
DeepInfra $1.00 $1.00output floor - 131K Use
Nebius $1.00 $3.00 - 128K Use
OpenRouter marketplace quote $1.00 $1.00 - 131K Use

The cheapest way to run Hermes 3 405B Instruct

On an illustrative 70M-input / 30M-output monthly workload, today's lowest listed cost is roughly $100/month — the same at DeepInfra and OpenRouter. Input-heavy, output-heavy and cache-heavy workloads can produce different winners. Use the live mix calculator below rather than combining floors from two different providers. It is API-only, so the table above is your full set of options. Run your own numbers in the breakeven calculator, or read the breakeven math.

Your actual monthly cost

Uses today's list prices

Cache read uses the listed cache rate where available; otherwise it falls back to normal input price. Batch, write-cache, volume and negotiated discounts are excluded.

Related models

ModelCheapest in $/1MCheapest out $/1MProviders
Hermes 3 70B Instruct $0.120 $0.300 3

FAQ

What is the cheapest API for Hermes 3 405B Instruct?

As of 2026-08-23, the lowest input price for Hermes 3 405B Instruct, $1.00 per 1M tokens, is the same list price at DeepInfra, Nebius and OpenRouter. The lowest output price, $1.00 per 1M tokens, is likewise shared by DeepInfra and OpenRouter. The cheapest provider for a real workload depends on its input/output mix.

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