Claude Sonnet 4vsLLaMA 4 Maverick
Claude Sonnet 4 | LLaMA 4 Maverick | |
|---|---|---|
| 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 | $0.20DeepInfra |
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 | $0.696DigitalOcean |
| 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% | 28% |
| 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 | Meta |
| Release date | May 22 2025 | Apr 5 2025 |
| Access | Proprietary | Open Weight |
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Frequently asked questions
Claude Sonnet 4 leads LLaMA 4 Maverick on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 4 Maverick shipped 47 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.
Claude Sonnet 4 is proprietary, while LLaMA 4 Maverick is open weight.
On BullshitBench v2, Claude Sonnet 4 leads at 30% vs LLaMA 4 Maverick at 28%.
Claude Sonnet 4 was released by Anthropic on May 22 2025.
LLaMA 4 Maverick was released by Meta on Apr 5 2025.
Claude Sonnet 4 is a proprietary model released by Anthropic. LLaMA 4 Maverick is an open weight model released by Meta.