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DeepSeek V4 Flash 0731 (Sference) vs GPT OSS 120B

DeepSeek V4 Flash 0731 (Sference) is cheaper on output tokens, while DeepSeek V4 Flash 0731 (Sference) offers a larger context window. Choose DeepSeek V4 Flash 0731 (Sference) or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V4 Flash 0731 (Sference)GPT OSS 120B
ProviderEden AINeon
Input / 1M tokens$0.28$0.15
Output / 1M tokens$0.56$0.60
Context window1M131K
Parameters—117B
Open weightsYesYes
ReleasedJul 2026Aug 2025
LiveBench score—46.4
Aider Polyglot score—41.8

FAQ

Is DeepSeek V4 Flash 0731 (Sference) or GPT OSS 120B cheaper?

DeepSeek V4 Flash 0731 (Sference) is cheaper on output tokens ($0.56 vs $0.60 per 1M).

Which has the larger context window, DeepSeek V4 Flash 0731 (Sference) or GPT OSS 120B?

DeepSeek V4 Flash 0731 (Sference) has the larger context window (1M tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.