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Anthropic: Claude Opus 5 vs Google: Gemini 3.1 Flash Lite Preview

On input price, Google: Gemini 3.1 Flash Lite Preview is ~20.0× cheaper. Verified 2026-10-21.

Anthropic: Claude Opus 5 $5.00/$25.00vsGoogle: Gemini 3.1 Flash Lite Preview $0.250/$1.50

Verdict

On blended price (3:1 input:output), Google: Gemini 3.1 Flash Lite Preview is ~17.8× cheaper ($0.250/$1.50 vs $5.00/$25.00 per 1M tokens).

Pricing

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

MetricAnthropic: Claude Opus 5Google: Gemini 3.1 Flash Lite Preview
Input / 1M$5.00$0.250
Output / 1M$25.00$1.50
Cache read / 1M$0.500$0.025
Blended (3:1)$10.00/1M$0.563/1M
Estimated monthly costAnthropic: Claude Opus 5Google: Gemini 3.1 Flash Lite Preview
Chatbot10,000 reqs · 800/400 tok$140.00$8.00
Coding agent5,000 reqs · 8000/2000 tok$450.00$25.00
RAG pipeline30,000 reqs · 4000/500 tok$975.00$52.50

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

Specifications & capabilities

MetricAnthropic: Claude Opus 5Google: Gemini 3.1 Flash Lite Preview
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.

Speed measurements aren't available for both models yet.

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 Opus 5 pricing · Google: Gemini 3.1 Flash Lite Preview pricing