GPT-5

95 summarised stories about GPT-5, each linking back to the original source. Browse all topics →

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OpenAI GPT-5 GPT-5.6 GPT-5.6 Sol GPT-5.5 GPT-5.6 Luna

Thursday, 6 August 2026

GPT-5.6 Sol just got better in one place and stayed the same everywhere else

The New Stack 2 months ago 52 ● 9 sources

OpenAI updated GPT-5.6 Sol in consumer ChatGPT with claimed 68% reduction in factual errors on financial, medical, and legal questions, while leaving the versions in Codex and ChatGPT Work unchanged. ChatGPT Plus and Pro users can now use a slider to control reasoning depth, whereas previously separate models handled this. The improvement claims lack sufficient detail for independent verification, requiring teams to test the updated model against their actual prompts.

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OpenAI Model Release GPT-5

DeepSeek-V4 Flash 0731 vs GPT-5.6 Luna on DeepSWE: Cost and Coding

Together AI 2 months ago 44 ● 6 sources

DeepSeek-V4 Flash 0731 achieved 53.3% pass@1 on the DeepSWE coding benchmark versus GPT-5.6 Luna's 67.2%, but costs $0.10 per task compared to Luna's $0.61—a 6x price difference. When used in cascade (DeepSeek first, escalating to Luna on failure), the pairing solves 78.9% of tasks at $0.385 each, outperforming Luna alone on accuracy while costing 37% less. This strategy leverages DeepSeek's low cost to handle routine problems and reserves Luna's stronger reasoning for harder cases, fundamentally changing the economics of software engineering task automation.

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AI Coding Agents Cost Optimization GPT-5 DeepSeek

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