Claude Sonnet 4vsGemini 2.0 Flash
Claude Sonnet 4 | Gemini 2.0 Flash | |
|---|---|---|
| API pricingUSD per 1M tokens · lower wins | ||
Cheapest inputLowest input rate across third-party providers, excluding the lab itself. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | $3.00Amazon Bedrock | — |
Cheapest outputLowest output rate across third-party providers, excluding the lab itself. May come from a different provider than the cheapest input. | $15.00Amazon Bedrock | — |
| Benchmarks | ||
BullshitBench v2Nonsense detection — Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 30% | 15% |
| BenchmarksPublished by one model only | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 72.7% | — |
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 75.4% | — |
| Overview | ||
| Company | Anthropic | |
| Release date | May 22 2025 | Jan 30 2025 |
| Access | Proprietary | Proprietary |
Other comparisons
Claude Sonnet 4vsGPT-5.6 SolGemini 2.0 FlashvsGPT-5.6 SolClaude Sonnet 4vsMuse GlimmerGemini 2.0 FlashvsMuse GlimmerClaude Sonnet 4vsGrok 4.6Gemini 2.0 FlashvsGrok 4.6Claude Sonnet 4vsDeepSeek-V4-Pro-0813Gemini 2.0 FlashvsDeepSeek-V4-Pro-0813Claude Sonnet 4vsMistral Medium 3.5Gemini 2.0 FlashvsMistral Medium 3.5Claude Sonnet 4vsKimi K3Gemini 2.0 FlashvsKimi K3
Frequently asked questions
Claude Sonnet 4 leads Gemini 2.0 Flash on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 2.0 Flash shipped 112 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, Claude Sonnet 4 leads at 30% vs Gemini 2.0 Flash at 15%.
Claude Sonnet 4 was released by Anthropic on May 22 2025.
Gemini 2.0 Flash was released by Google on Jan 30 2025.