DeepSeek-V4-Flash vs LongCat 2.0

DeepSeek-V4-Flash leads on 1 of 1 benchmarks where both are measured. Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.

Specs & pricing

DeepSeek-V4-FlashLongCat 2.0
CompanyDeepSeekMeituan
ReleasedJul 2026Jul 2026
Context window1.0M1.0M
Input /1M tokens$0.098$0.3
Output /1M tokens$0.196$1.2
Open weightsNoNo

Benchmarks

BenchmarkDeepSeek-V4-FlashLongCat 2.0
Arena Elo1436 Elo
GPQA89.4%78.0%
Hallucination Rate (lower is better)95.8%
LiveCodeBench91.6%
MMLU-Pro86.2%
Speed (tok/s)122 tok/s

Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.