LLM Comparison

Claude Sonnet 5.5 vs Gemini 3.1 Pro: benchmark scores, pricing & comparison.

Side-by-side Claude Sonnet 5.5 vs Gemini 3.1 Pro comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Verdict: Claude Sonnet 5.5 ranks higher (#3 vs #46) and wins 5 of 5 shared benchmarks; Claude Sonnet 5.5 costs less ($2.00/$10.0 vs $2.00/$12.0 per 1M tokens).

Rank #3 vs #46AskClash overall scores 77.7 vs 34.3.
Pricing $2.00/$10.0 vs $2.00/$12.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs Google.

Claude Sonnet 5.5 vs Gemini 3.1 Pro benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

MetricClaude Sonnet 5.5Gemini 3.1 Pro
Overall Score77.734.3
Leaderboard Rank#3#46
ACB76.6—
AA Intelligence Index56.0—
AutomationBench-AA71.8—
Coding Agent Index59.3—
HLE64.551.4
GPQA95.694.3
SWE-bench—80.6
SWE-Pro81.354.2
SWE-Atlas64.2—
Terminal-Bench 4.063.6—
DeepSWE71.011.7
GDPval-AA1837.81317.0
MCP Atlas—69.2
Finance Agent v2.167.3—
CharXiv—80.2
MMMU-Pro—83.9
ARC-AGI 2—77.1
Tau2—99.3
MRCR—84.9
Input Price (per 1M tokens)$2.00$2.00
Output Price (per 1M tokens)$10.0$12.0
Context Window1M1M
Benchmarks Published139

Claude Sonnet 5.5 vs Gemini 3.1 Pro head-to-head charts

Claude Sonnet 5.5 leads 5 and Gemini 3.1 Pro leads 0 of 5 shared benchmarks. Claude Sonnet 5.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Claude Sonnet 5.5Gemini 3.1 Pro
Overall
77.7Claude Sonnet 5.5
34.3Gemini 3.1 Pro
HLE
64.5Claude Sonnet 5.5
51.4Gemini 3.1 Pro
GPQA
95.6Claude Sonnet 5.5
94.3Gemini 3.1 Pro
SWE-Pro
81.3Claude Sonnet 5.5
54.2Gemini 3.1 Pro
DeepSWE
71.0Claude Sonnet 5.5
11.7Gemini 3.1 Pro
GDPval-AA
1837.8Claude Sonnet 5.5
1317.0Gemini 3.1 Pro
Claude Sonnet 5.5
Input$2.00
Output$10.0
Workload$4.00
Context1M
Gemini 3.1 Pro
Input$2.00
Output$12.0
Workload$4.40
Context1M

Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.

More Claude Sonnet 5.5 and Gemini 3.1 Pro comparisons

Explore how Claude Sonnet 5.5 and Gemini 3.1 Pro stack up against other top-ranked LLMs.

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.