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Anthropic

Claude Sonnet 4.6

VS
Google

Gemini 3.1 Flash-Lite

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

👑 Editorial Verdict: Gemini 3.1 Flash-Lite strictly dominates Claude Sonnet 4.6 across all major dimensions. It is not only more cost-effective (blended cost of $0.56 vs $6.00 per 1M tokens) but also delivers superior coding accuracy (0% vs 0% on SWE-bench) and faster generation speeds (205 tps vs 54.3 tps). Unless you have platform lock-in, Gemini 3.1 Flash-Lite is the clear and optimal choice for all development workloads.

Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
79.9%

Cost & Performance

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Speed
54.3 tps
Context Window
1M tokens
Model Specs

Gemini 3.1 Flash-Lite

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+7.0%)
86.9%

Cost & Performance

Cost (per 1M tokens)10.7x cheaper
$0.56Input: $0.25 | Output: $1.50
Speed3.8x faster
205 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

Gemini 3.1 Flash-Lite is cheaper than Claude Sonnet 4.6. Gemini 3.1 Flash-Lite has a blended cost of $0.56/1M tokens, which is about 10.7x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.

Gemini 3.1 Flash-Lite is faster than Claude Sonnet 4.6. Gemini 3.1 Flash-Lite generates 205 tokens per second (tps) compared to Claude Sonnet 4.6 which generates 54.3 tokens per second.

Coding benchmark scores are not currently recorded for these models.

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