# Claude 4 Sonnet vs Gemini 2.0 Flash

> Side-by-side benchmark comparison for Claude 4 Sonnet and Gemini 2.0 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-sonnet-vs-gemini-2-0-flash
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4 Sonnet and Gemini 2.0 Flash share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Gemini 2.0 Flash has the larger published context window at 1M.

## Model Snapshot

| Property | Claude 4 Sonnet | Gemini 2.0 Flash |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | 38.13 | null |
| Benchmarks Covered | 4 | 5 |
| Pricing (input/output) | $3.00 / $15.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: Coming soon
- Gemini 2.0 Flash public-lane score: Coming soon

| Benchmark | Claude 4 Sonnet | Gemini 2.0 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 39.66% | Coming soon | Coming soon |
| JobBench | 18.4% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: Coming soon
- Gemini 2.0 Flash public-lane score: Coming soon

| Benchmark | Claude 4 Sonnet | Gemini 2.0 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 72.7% | 21.4% | Claude 4 Sonnet |

### Reasoning

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: 56.1 (Unranked · 2 rankable rows)
- Gemini 2.0 Flash public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: 56.4 (Unranked · 1 rankable row)
- Gemini 2.0 Flash public-lane score: Coming soon

| Benchmark | Claude 4 Sonnet | Gemini 2.0 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 69.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: 37.7 (Estimated · #122/181)
- Gemini 2.0 Flash public-lane score: Coming soon

| Benchmark | Claude 4 Sonnet | Gemini 2.0 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 65.2% | Coming soon |
| SimpleQA | Coming soon | 29.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: 53.5 (#79/128)
- Gemini 2.0 Flash public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4 Sonnet public-lane score: Coming soon
- Gemini 2.0 Flash public-lane score: Coming soon

| Benchmark | Claude 4 Sonnet | Gemini 2.0 Flash | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 33.1% | 29.7% | Claude 4 Sonnet |

## FAQ

### Is there enough evidence to pick between Claude 4 Sonnet and Gemini 2.0 Flash?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude 4 Sonnet vs Gemini 2.0 Flash-Lite](/compare/claude-4-sonnet-vs-gemini-2-0-flash-lite)
- [Gemini 2.0 Flash vs Gemini 2.0 Flash-Lite](/compare/gemini-2-0-flash-vs-gemini-2-0-flash-lite)
- [Claude 4 Sonnet vs Claude Opus 5.5](/compare/claude-4-sonnet-vs-claude-opus-5-5)
- [Gemini 2.0 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-2-0-flash)

## Explore More

- [Claude 4 Sonnet profile](/models/claude-4-sonnet)
- [Gemini 2.0 Flash profile](/models/gemini-2-0-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)