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Evaluating DeepSeek V4 and GPT-5.5 on long-context coding

calendar_today May 11, 2026 person Mostafa Ibrahim domain wandb

GPT-5.5 vs DeepSeek V4 on long-context coding: 25-problem CodeContests bundles graded per problem with W&B Weave — GPT-5.5 leads 50.7% to 26.0%.

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