rumoredMetaExpected: Q2 2026

Llama 4.5 405B Instruct API

A refresh of Meta's largest instruction-tuned model. Expected to maintain the same 405B parameter count with a better post-training recipe.

What we know

A refresh of Meta's largest instruction-tuned model. Expected to maintain the same 405B parameter count with a better post-training recipe.

Why it matters: The 405B tier is the go-to for self-hostable frontier — every refresh is instantly benchmarked.

Expected pricing: ~$3 / $6 per 1M tokens

Current best equivalent

LIVE ON SKILLBOSS TODAY

Llama 3 8B Instruct

Available Llama tier on SkillBoss — same API you'll use for the 405B v2.

Use Llama 3 8B Instruct Now →Get API Key

We'll auto-switch your API calls to Llama 4.5 405B Instruct the moment it launches — no code changes required.

Call it with curl

curl -X POST https://api.skillboss.co/v1/run \
  -H "Authorization: Bearer $SKILLBOSS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "skill_id": "meta-llama-3-8b-instruct",
    "input": {
      "prompt": "Say hello from Llama 4.5 405B Instruct — routed via SkillBoss"
    }
  }'

Alternate options

ModelSkill IDTradeoff
DeepSeek V3.2deepseek/deepseek-v3.2Stronger open-weight, often cheaper

Notify me when Llama 4.5 405B Instruct launches

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