LLMCost

Anthropic: Claude Fable 5 vs Google: Gemini 3.5 Flash

On input price, Google: Gemini 3.5 Flash is ~6.7× cheaper. Verified 2026-10-21.

Anthropic: Claude Fable 5 $10.00/$50.00vsGoogle: Gemini 3.5 Flash $1.50/$9.00

Verdict

On blended price (3:1 input:output), Google: Gemini 3.5 Flash is ~5.9× cheaper ($1.50/$9.00 vs $10.00/$50.00 per 1M tokens).

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricAnthropic: Claude Fable 5Google: Gemini 3.5 Flash
Input / 1M$10.00$1.50
Output / 1M$50.00$9.00
Cache read / 1M$1.00$0.150
Blended (3:1)$20.00/1M$3.38/1M
Estimated monthly costAnthropic: Claude Fable 5Google: Gemini 3.5 Flash
Chatbot10,000 reqs · 800/400 tok$280.00$48.00
Coding agent5,000 reqs · 8000/2000 tok$900.00$150.00
RAG pipeline30,000 reqs · 4000/500 tok$1950.00$315.00

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricAnthropic: Claude Fable 5Google: Gemini 3.5 Flash
Context window1M1.0M
Max output128K66K
Vision input✓✓
Tool calling✓✓
Reasoning✓✓

Quality

Intelligence Index by Artificial Analysis (independent evaluations, 0–100).

Verified intelligence scores aren't available for both models yet. See the full leaderboard.

Performance

Measured by Artificial Analysis on live endpoints.

Output speed — higher is better
Anthropic: Claude Fable 590 tok/s
Google: Gemini 3.5 Flash170 tok/s
Latency (TTFT) — lower is better
Anthropic: Claude Fable 51,100 ms
Google: Gemini 3.5 Flash550 ms
MetricAnthropic: Claude Fable 5Google: Gemini 3.5 Flash
Cost per task$0.000022$0.000005

Provider

Infrastructure metrics for the organizations behind these models.

MetricAnthropicGoogle
Listed endpoints815
Reliability99.8%99.7%
Avg latency520 ms380 ms
Pricing tiersstandard, batchstandard, batch

Full details: Anthropic: Claude Fable 5 pricing · Google: Gemini 3.5 Flash pricing