Expired90% confidenceFactTime unknown
GLM-5.1 and DeepSeek V4 Pro were developed via the Cloud Code plugin in VS Code, while GPT 5.5 used the Codex plugin.
1
Sources
90%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedDeepSeek V4 and GPT 5.5 were released almost simultaneously.74% similarUnverifiedDeepSeek V4 Pro outperforms GPT-5.5 on the Codeforces, Aero, and MRCR 1M long-context retrieval benchmarks.73% similarUnverifiedOpen-source models such as Llama 3.1 (Meta), Mistral 7B/8x7B, and Qwen2.5-Coder (Alibaba Cloud) have reached practical performance levels approaching GPT-4 on code and configuration generation tasks.72% similarUnverifiedOpen-source models such as Meta's Llama 3.1 series, DeepSeek-V3, and Alibaba's Qwen2.5-Coder have significantly narrowed the gap with GPT-4-level models on code generation benchmarks such as HumanEval and SWE-bench.71% similarUnverifiedThe 236B version of DeepSeek Coder V2 is the first open-source code large model to surpass GPT-4 Turbo on authoritative code benchmarks.71% similar
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