Which is cheaper, Llama 4 Scout or Gemini 2.5 Flash?

Llama 4 Scout is cheaper at the input + output rate combined: $0.800 versus $2.80 per million tokens.

Which has higher quality, Llama 4 Scout or Gemini 2.5 Flash?

Gemini 2.5 Flash has the higher AA Intelligence Index score: 78 versus 75.

Can I switch between Llama 4 Scout and Gemini 2.5 Flash via one API?

Both Llama 4 Scout and Gemini 2.5 Flash are accessible through OpenRouter's unified gateway, which lets you switch models with one API key. Phase 2 of AIpricly will add scenario-routed automatic primary + fallback chains.

Llama 4 Scout vs Gemini 2.5 Flash

Side-by-side pricing, capabilities, real-world cost across common scenarios, and our editorial pick.

Add a modelUp to 4 models can be compared

all prices in USD per 1M tokens

OVERALL WINNER

Llama 4 Scout

Meta · released 2026-01-25

Quality (AA Index)75

Input price$0.20

Output price$0.60

Context256K

Throughput380 tok/s

P50 latency0.2s

View full pricing

Gemini 2.5 Flash

Google · released 2025-09-01

Quality (AA Index)78

Input price$0.30

Output price$2.50

Context1M

Throughput320 tok/s

P50 latency0.3s

View full pricing

Try Llama 4 Scout on OpenRouter Try Gemini 2.5 Flash on OpenRouter

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Head-to-head specs

Green column = winner per metric

Metric	Llama 4 Scout	Gemini 2.5 Flash	Verdict
Input price /1M tokens	$0.20	$0.30	Llama 4 Scout −33%
Output price /1M tokens	$0.60	$2.50	Llama 4 Scout −76%
Context window max input length	256K	1M	Gemini 2.5 Flash +3.9×
AA Quality AA Intelligence Index (0–100)	75	78	Gemini 2.5 Flash +3pt
Arena Elo LMArena human-pref Elo (800–2000)	—	—	Tied
Throughput tokens per second	380	320	Llama 4 Scout +19%
P50 latency first token	0.2s	0.3s	Llama 4 Scout −33%
Vision multimodal	—
Function calling tool use			Tied
Reasoning mode chain-of-thought	—

Monthly cost across common scenarios

Default usage assumptions

Scenario	Llama 4 Scout	Gemini 2.5 Flash
customer support 1000K req · 600/180 tok	$228	$630
chat with docs 300K req · 4000/300 tok	$294	$585
code generation 500K req · 2000/500 tok	$350	$925
voice assistant 600K req · 800/200 tok	$168	$444

Our pick

For most workloads, choose Llama 4 Scout.

33% cheaper input price, which compounds at scale
19% faster throughput — matters for streaming UX and voice agents

Choose Gemini 2.5 Flash instead if: The price-performance benchmark for vision tasks. Strong multimodal, weak on deep reasoning. Pair as a fast first hop ahead of a smarter fallback.

Read our deep analysis

The Cheapest LLM API for Production in 2026

Why pick? Use both with smart routing

Phase 2 · gateway with fallback chain

Set Llama 4 Scout as primary, Gemini 2.5 Flash as fallback. One key, one bill, automatic failover when Llama 4 Scout errors.

PHASE 2 PREVIEW · gateway not live yetThis endpoint does not exist yet. The gateway is in Phase 2 — what you see below is a design preview of the planned interface, not a live API. We will email subscribers when it launches.

Preview the planned API call

$ curl https://api.aipricly.com/v1/chat/completions \
  -H "Authorization: Bearer $AIPC_KEY" \
  -d '{
    "routing": {
      "primary": "meta/llama-4-scout",
      "fallback": ["google/gemini-2-5-flash"]
    },
    "messages": [{"role": "user", "content": "..."}]
  }'