Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 671B |
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 200k | 128k |
| API pricingUSD per 1M tokens · lower wins | ||
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | — | $0.25SiliconFlow |
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input. | — | $1.00SiliconFlow |
| — | $100SiliconFlow · fp8 | |
| These models have no shared benchmark scores. | ||
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. | 49% | — |
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Oct 22 2024 | Mar 24 2025 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
Claude 3.5 Sonnet (upgraded)vsGPT-6.1 SolDeepSeek V3-0324vsGPT-6.1 SolClaude 3.5 Sonnet (upgraded)vsGemini 4 ArgonDeepSeek V3-0324vsGemini 4 ArgonClaude 3.5 Sonnet (upgraded)vsMuse Spark OpenDeepSeek V3-0324vsMuse Spark OpenClaude 3.5 Sonnet (upgraded)vsGrok 4.7DeepSeek V3-0324vsGrok 4.7Claude 3.5 Sonnet (upgraded)vsMistral Large 4DeepSeek V3-0324vsMistral Large 4Claude 3.5 Sonnet (upgraded)vsKimi K3DeepSeek V3-0324vsKimi K3Frequently asked questions
Claude 3.5 Sonnet (upgraded) and DeepSeek V3-0324 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 153 days before DeepSeek V3-0324, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 3.5 Sonnet (upgraded)) vs 128k (DeepSeek V3-0324). Claude 3.5 Sonnet (upgraded) is closed, while DeepSeek V3-0324 is open weight.
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and DeepSeek V3-0324 don't publish scores on any of the same benchmarks.