Meta Llama Meta Llama 3.1 405B Instruct

Nebius chat

Meta Llama Meta Llama 3.1 405B Instruct is a Nebius chat model.It supports a 128,000-token context windowwith up to 128,000 output tokens.Input is priced at $1.00/M tokens and output at $3.00/M tokens. Capabilities include function calling. Route Meta Llama Meta Llama 3.1 405B Instruct via Future AGI's Agent Command Center for unified observability, caching, and 15 routing strategies including cost-optimized fallback.

Pricing source: litellm Last verified: May 12, 2026 View source ↗
Cost calculator

Estimate Meta Llama Meta Llama 3.1 405B Instruct spend

Pick a workload, fine-tune the sliders, and see the monthly bill.

~3K in / ~400 out · 5K req/day
3,000
0128,000
400
0128,000
5,000
01,000,000
Per request
$0.004200
in $0.003000 · out $0.001200
Per day
$21.00
5,000 requests
Per month
$639
152,188 requests

Estimate uses $1.00/M input · $3.00/M output. Provider pricing changes. Production costs vary with retries, streaming overhead, and tool-call rounds.
Want this for free? Cache + route via Agent Command Center — first 100K requests and 100K cache hits free every month.

Pricing

Per-token rates, expressed in USD per 1M tokens. Verified May 12, 2026.

Input $1.00/M
Output $3.00/M

Limits

Context window
128,000 tokens
Max input
128,000 tokens
Max output
128,000 tokens
Modalities
text

Capabilities

  • Function calling ✓ supported
  • Parallel tool calls — not advertised
  • Vision input — not advertised
  • Audio input — not advertised
  • Audio output — not advertised
  • PDF input — not advertised
  • Streaming ✓ supported
  • Structured output — not advertised
  • Prompt caching — not advertised
  • Reasoning — not advertised

Where it's strong

  • +agentic workflows that depend on reliable tool calls

Watch out for

  • !strict structured output — no JSON-schema enforcement, expect retry loops

Benchmarks pending

We haven't logged public benchmark scores for Meta Llama Meta Llama 3.1 405B Instruct yet. Have one to contribute? Submit a source — citations help us prioritise.

Try it

Call Meta Llama Meta Llama 3.1 405B Instruct via Agent Command Center

One OpenAI-compatible endpoint. Routing, fallback, semantic caching, guardrails, and cost tracking come along for the ride. First 100K requests + 100K cache hits free every month.

SDK
Native Future AGI client (agentcc / @agentcc/client). Per-call metadata — provider, cost, latency, cache hit, request id — is returned on x-agentcc-* response headers, so any HTTP client can read it.
# Meta Llama Meta Llama 3.1 405B Instruct via the Agent Command Center Python SDK
# pip install agentcc
import os
from agentcc import AgentCC

client = AgentCC(
    api_key=os.environ["AGENTCC_API_KEY"],   # from app.futureagi.com → Settings → API Keys
    base_url="https://gateway.futureagi.com/v1",
)

resp = client.chat.completions.create(
    model="nebius/meta-llama-meta-llama-3-1-405b-instruct",
    messages=[{"role": "user", "content": "Hello, Meta Llama Meta Llama 3.1 405B Instruct!"}],
)

print(resp.choices[0].message.content)
print(f"Tokens: {resp.usage.total_tokens}")

# Per-call gateway metadata is returned on x-agentcc-* response headers.
# When you need it programmatically, use .with_raw_response to get them:
raw = client.chat.completions.with_raw_response.create(
    model="nebius/meta-llama-meta-llama-3-1-405b-instruct",
    messages=[{"role": "user", "content": "Same call, but I want the headers."}],
)
print("Provider:", raw.headers.get("x-agentcc-provider"))
print("Latency:", raw.headers.get("x-agentcc-latency-ms"), "ms")
print("Cost:   ", raw.headers.get("x-agentcc-cost"), "USD")
print("Cache:  ", raw.headers.get("x-agentcc-cache"))
Set AGENTCC_API_KEY with a key fromapp.futureagi.com.Gateway docs ↗

Same model on other providers

meta-llama-meta-llama-3-1-405b-instruct is also available via 1 other route. Pricing, regions, and capabilities can differ — compare before routing production traffic.

ProviderInput / 1MOutput / 1MVerified
Hyperbolic$0.120/M$0.300/MMay 12, 2026

Compare with similar models

Meta Llama Meta Llama 3.1 405B Instruct doesn't have a public Arena ELO score yet, so we group by provider only — quality-tier comparisons need a benchmark.

FAQ

How much does Meta Llama Meta Llama 3.1 405B Instruct cost?

Input is priced at $1.00 per 1M tokens and output at $3.00 per 1M tokens (Nebius, last verified May 12, 2026).

What is the context window of Meta Llama Meta Llama 3.1 405B Instruct?

Meta Llama Meta Llama 3.1 405B Instruct supports a 128,000-token context window with up to 128,000 output tokens.

Does Meta Llama Meta Llama 3.1 405B Instruct support function calling?

Yes — Meta Llama Meta Llama 3.1 405B Instruct supports function (tool) calling.

Is Meta Llama Meta Llama 3.1 405B Instruct good for production?

Meta Llama Meta Llama 3.1 405B Instruct is well-suited for agentic workflows that depend on reliable tool calls. Consider alternatives if you need strict structured output — no JSON-schema enforcement, expect retry loops.

How can I route to Meta Llama Meta Llama 3.1 405B Instruct with fallback?

Use Agent Command Center: a single OpenAI-compatible endpoint that supports cost-optimized routing, latency-aware retries, model fallback, and shadow traffic. Configure once, swap models without app changes.

Useful links for Meta Llama Meta Llama 3.1 405B Instruct

Official sources, independent benchmarks, and pricing aggregators — no random search-engine guesses.