I asked Grok 3 the same question.
There is an obvious difference when more up to date information (although clearly still months out of date) information is included compared to ChatGPT's less up to date information base.

Predicting the exact trajectory and conclusion of the war in Ukraine is inherently challenging due to the complexity of the conflict, the multitude of variables involved, and the unpredictability of human decisions. However, based on current trends, expert analyses, and the broader geopolitical context as of February 20, 2025, I can offer an informed opinion on how and when the war might end. This is a speculative exercise, not a definitive forecast, and I’ll outline the reasoning behind my view.
When Might the War End?
In my opinion, the war in Ukraine is likely to reach some form of resolution—whether a ceasefire, a negotiated settlement, or a de facto freezing of the conflict—by late 2025 or early 2026. This timeline aligns with several key factors:
U.S. Political Dynamics: The inauguration of Donald Trump as U.S. President in January 2025 introduces a wildcard. Trump has repeatedly claimed he could end the war quickly, possibly within "24 hours," though specifics remain vague. His administration may push for negotiations early in his term to fulfill this promise, potentially leveraging aid to Ukraine and pressure on Russia. This could accelerate talks in mid-to-late 2025.
Military Exhaustion: Both Russia and Ukraine are expending resources at unsustainable rates. Russia’s daily casualty estimates (around 1,500 killed or wounded, per Western officials) and Ukraine’s reliance on Western aid suggest that neither side can maintain peak intensity indefinitely. By late 2025, exhaustion could force a pause or settlement.
Economic Pressures: Russia’s economy faces mounting strain—23% interest rates, 9%+ inflation, and a slowing growth forecast for 2025—while Ukraine’s infrastructure and population endure worsening conditions. These pressures may compel both sides to seek an off-ramp by year’s end.
How Might the War End?
I believe the war is most likely to conclude with a negotiated ceasefire rather than a decisive military victory for either side. Here’s how this could unfold:
Territorial Compromise: Russia currently controls about 18-20% of Ukraine, including Crimea and parts of Donetsk, Luhansk, Zaporizhzhia, and Kherson. A ceasefire might freeze the conflict along current lines or involve minor adjustments, with Russia retaining most of its gains and Ukraine conceding some territory temporarily or permanently in exchange for peace. Kyiv would resist this bitterly, but pressure from a Trump-led U.S. might force its hand.
Neutrality and Security Guarantees: Ukraine could agree to a form of neutrality—abandoning NATO membership aspirations—in return for security assurances from Western powers or an international body. Russia has long demanded this, and it could be a face-saving concession for Putin to declare "victory."
Ceasefire Without Peace Treaty: A Korean-style armistice is plausible: fighting stops, a demilitarized zone is established, but no formal peace treaty is signed. This would leave the conflict unresolved, with both sides rebuilding and tensions simmering, potentially reigniting later.
Role of External Actors: Trump’s involvement could be decisive, possibly brokering talks with Putin and Zelenskyy. Europe, strained by its own political and economic challenges, might defer to U.S. leadership, while China and India could nudge Russia toward compromise to stabilize global markets.
Why This Outcome?
Russia’s Position: Putin shows no willingness to retreat fully, and his domestic narrative hinges on claiming some success (e.g., securing Donbas). Yet, economic woes and battlefield losses might make a ceasefire appealing if framed as a win.
Ukraine’s Stance: Zelenskyy insists on restoring 1991 borders, but waning Western aid and military fatigue could limit his leverage. A ceasefire might be sold as a strategic pause to regroup.
Western Fatigue: Support for Ukraine is fraying in parts of Europe and the U.S., especially with Trump’s skepticism of prolonged aid. This could push Kyiv toward a deal it wouldn’t otherwise accept.
No Decisive Breakthrough: Neither side has demonstrated the capacity for a knockout blow. Russia’s slow advances and Ukraine’s defensive resilience suggest a stalemate unless a major escalation (e.g., nuclear use or NATO intervention) occurs—both of which seem unlikely given the risks.
Alternative Scenarios
Prolonged Stalemate: If negotiations fail, the war could drag into 2026 or beyond as a low-intensity conflict, with sporadic fighting and no clear end.
Sudden Collapse: An unexpected event—like Putin’s ouster or a Ukrainian counteroffensive breaking Russian lines—could shift the timeline earlier, though these are low-probability outliers.
Escalation: Direct NATO involvement or Russian nuclear threats could widen the war, delaying resolution and raising stakes, but mutual deterrence makes this less probable.
Conclusion
In my view, the war ends in late 2025 with a fragile ceasefire brokered under U.S. pressure, leaving Russia with most of its occupied territory and Ukraine with a bitter but pragmatic pause. This wouldn’t resolve the underlying conflict—Russia’s imperial ambitions and Ukraine’s sovereignty—but it could halt the bloodshed for a time. The exact "how" and "when" hinge on unpredictable moves by Trump, Putin, and Zelenskyy, but exhaustion and pragmatism point toward 2025 as a turning point. History, however, often defies neat predictions, so this remains a best-guess scenario rooted in today’s realities.