The comparison between OpenAI\u2019s ChatGPT 5.5 and Anthropic\u2019s Claude Opus 4.7 has turned into one of the most closely watched moments in artificial intelligence<\/a> this year. Both models landed within a single week of each other, and the field has not really settled since.<\/p>\n Anthropic moved first, releasing Claude Opus 4.7 on April 16. Seven days later, on April 23, OpenAI dropped GPT 5.5, a model it had been developing under the internal codename Spud. The timing has made the comparison feel less like a routine update cycle and more like a direct response from one lab to the other.<\/p>\n The early benchmark picture leans toward GPT 5.5 in agentic and tool-driven work. It posted 82.7 percent on Terminal-Bench 2.0, well ahead of Claude Opus 4.7 at 69.4 percent. OpenAI is also claiming the lead across fourteen separate benchmarks, including agentic computer use, the GDPval economic knowledge work test, the CyberGym cybersecurity evaluation, and Frontier Math.<\/p>\n Claude Opus 4.7, however, holds firm where it matters most for developers. It pushed SWE-bench Pro from 53.4 percent on the previous Opus 4.6 to 64.3 percent, and reached 87.6 percent on SWE-bench Verified. On Humanity\u2019s Last Exam without tools, Opus 4.7 also edged ahead of GPT 5.5 Pro, scoring 46.9 percent against 43.1 percent. Reasoning without external tools is still Claude\u2019s territory.<\/p>\n There is also a structural difference worth noting. GPT 5.5 is the first fully retrained base model from OpenAI since GPT 4.5. It is natively omnimodal, meaning text, image, audio, and video all run through the same architecture rather than being stitched together from separate components. Claude Opus 4.7 went a different route, focusing on instruction precision, a sharper coding<\/a> profile, and high-resolution vision support up to 3.75 megapixels.<\/p>\n For developers, pricing remains a real consideration. Both models sit at five dollars per million input tokens. On output, Claude Opus 4.7 stays at twenty-five dollars per million while GPT 5.5 charges thirty. That makes Opus around seventeen percent cheaper on output, though GPT 5.5 is reported to use noticeably fewer tokens per task, which often closes the gap in practice.<\/p>\n In hands-on tests reported by reviewers across Tom\u2019s Guide, Geeky Gadgets, and Emerging AI, the pattern keeps showing up. ChatGPT 5.5 tends to deliver faster, more usable answers in workflow situations and dashboard-style tasks. Claude Opus 4.7 tends to be more precise on complex code, multi-file refactoring, and long-context reasoning, often catching nuances the other misses.<\/p>\n A clear practical view is forming inside the developer community. Many teams are no longer picking one model. They are routing tasks, sending agentic and computer-use work to GPT 5.5 and pushing complex coding and code review through Claude Opus 4.7. Lighter tasks go to cheaper variants from either provider.<\/p>\n The bigger story behind all this is the speed of the competition. Anthropic and OpenAI<\/a> are now releasing flagship models within days of each other, each one targeting a slightly different strength. Google<\/a>\u2018s Gemini<\/a> 3.1 Pro is in the same conversation too, leading in academic reasoning and financial analysis. The race is no longer about which company has the strongest single model. It is about which one fits the work in front of you, and that distinction is sharper now than it has ever been.<\/p>\n \niNews covers the latest and most impactful stories across Get the latest news and Breaking News<\/a> first by following us on <\/div>\n![\"ChatGPT](\"https:\/\/i0.wp.com\/inews.zoombangla.com\/wp-content\/uploads\/2026\/04\/1-11.jpg?resize=788%2C471&ssl=1\")
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