Unverified50% confidenceBenchmarkExact time
According to the creator's real-world tests and community feedback, DeepSeek-V4.1-flash has surpassed Claude Opus 5, GPT 5.6 Sol, and a range of domestic open-source models on core metrics measuring real-world programming capability.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/18/2026
First Seen
Valid until: 11/1/2026
Sources
Related Entities
Related Claims
UnverifiedDeepSeek V4 Flash and GPT-5 codecs high are roughly equivalent on the intelligence index, and DeepSeek V4 Flash performs better on multiple benchmarks including Humanities Last Exam and hallucination rate tests.75% similarUnverifiedV4.1-Flash scores 1 point higher than a GPT-5.6-level model in comparison.74% similarVerifiedGPT-6.1 Sol performs best on the DeepSWE benchmark at the high reasoning effort level74% similarUnverifiedGPT-6 Astra tends to generate better, more usable versions on the first attempt, with a high first-pass success rate and fast speed; DeepSeek V4.1 Flash improves quality through continuous self-checking and iteration but takes longer73% similarUnverifiedThe OpenRouter model pages show that across all traffic, DeepSeek V4.1 Flash accounts for about 36% of tokens and GPT-6.1 Sol about 18%.72% similar
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