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Llama Guard 4 12B vs Hermes 4 405B

Llama Guard 4 12B costs 16.7x less per output token than Hermes 4 405B ($0.18 vs $3.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.

Replace Llama Guard 4 12B Replace Hermes 4 405B
Llama Guard 4 12BMeta Llama
Coding
No data
Overall
No data
Output $/M
$0.18
N Hermes 4 405BNous Research
Coding
No data
Overall
No data
Output $/M
$3.00
vs $0.18 vs $3.00 per 1M output tokens. Llama Guard 4 12B is 16.7x cheaper.

Llama Guard 4 12B or Hermes 4 405B: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Llama Guard 4 12B for output tokens 16.7x cheaper ($0.18 vs $3.00 per million) and a larger context window (164K against 131K tokens).

Model ALlama Guard 4 12BMeta LlamaNot benchmarkedNo coding benchmarkNo cost per solved taskModel BHermes 4 405BNous ResearchNot benchmarkedNo coding benchmarkNo cost per solved task

No benchmark has tested both yet. Llama Guard 4 12B has none yet; Hermes 4 405B on AA Intelligence Index and Kagi LLM Benchmark. Compare them on price and context instead.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Llama Guard 4 12B not benchmarked, Hermes 4 405B not benchmarked.
Widest category
None yet: no category has been tested on both models.
Widest single gap
None yet: no benchmark has tested both models.
Output price
Llama Guard 4 12B $0.18 against Hermes 4 405B $3.00 per million output tokens, 16.7x apart.
Context window
Llama Guard 4 12B takes 164K tokens, Hermes 4 405B 131K.

Benchmark by benchmark

Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.

IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
Intelligence benchmarks for Llama Guard 4 12B and Hermes 4 405B
BenchmarkLlama Guard 4 12BHermes 4 405BLeader
AA Intelligence IndexNot measured7.5Only Hermes 4 405B measured
Neither model has a result on the other 1 board here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
Reasoning benchmarks for Llama Guard 4 12B and Hermes 4 405B
BenchmarkLlama Guard 4 12BHermes 4 405BLeader
Kagi LLM BenchmarkNot measured55.8%Only Hermes 4 405B measured
Neither model has a result on the other 22 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Llama Guard 4 12B$0.0003Fits in one request
Hermes 4 405B$0.0025Fits in one request

Llama Guard 4 12B costs less

Repository review

50K input + 3K output tokens

Llama Guard 4 12B$0.0095Fits in one request
Hermes 4 405B$0.059Fits in one request

Llama Guard 4 12B costs less

Agent loop

200K input + 10K output tokens

Llama Guard 4 12B$0.038Exceeds the context window
Hermes 4 405B$0.230Exceeds the context window

Llama Guard 4 12B costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Llama Guard 4 12B and Hermes 4 405B
SpecificationMeta Llama Guard 4 12BNous Hermes 4 405B
MakerMeta LlamaNous Research
WeightsOpen weightsOpen weights
ReleasedApril 30, 2025August 26, 2025
Context window164K131K
Input $/Mtok$0.18$1.00
Output $/Mtok$0.18$3.00
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Llama Guard 4 12B better than Hermes 4 405B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Llama Guard 4 12B for output tokens 16.7x cheaper ($0.18 vs $3.00 per million) and a larger context window (164K against 131K tokens).

Which is cheaper, Llama Guard 4 12B or Hermes 4 405B?

Llama Guard 4 12B costs $0.18 per million input tokens and $0.18 per million output tokens; Hermes 4 405B costs $1.00 and $3.00. Cost per solved task is known for neither of them.

Which has the bigger context window, Llama Guard 4 12B or Hermes 4 405B?

Llama Guard 4 12B, with 164K tokens against 131K.

Has any benchmark tested both Llama Guard 4 12B and Hermes 4 405B?

No benchmark has tested both yet. Llama Guard 4 12B has none yet; Hermes 4 405B on AA Intelligence Index and Kagi LLM Benchmark. Compare them on price and context instead. Data as of October 22, 2026.

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