The Horizon Europe space call closes to proposals at 17:00 CEST on September 16, 2026.
The European Union established a formal deadline of September 16, 2026, at 17:00 CEST for proposal submissions under its Horizon Europe space funding call.
Across 6 frontier models answering independently, the panel treats this as close to settled: the median is 96%.
They broadly agree, 12 points between DeepSeek at 97% and Claude at 85%.
It happened. Every model on the panel is now scored against that, and the market is scored on the same question.
It happened.
Official HaDEA call page confirms the space call's deadline was 16 September 2026, 17:00 CEST, and the page status is now 'Closed' with a last-updated date of 2026-09-16. HaDEA's March 2026 launch announcement also stated the same deadline. No contradicting evidence was found for this specific call.
Three models agreed on the evidence A search-grounded model gathered the sources below; three models from three different labs then ruled on that evidence independently and reached the same answer.
- Claudehappeneddirect evidence
- GPThappeneddirect evidence
- Geminihappeneddirect evidence
- Boosting Space through EU non-dependence for critical space technologies (Horizon Europe Space 2026 calls)
- Horizon Europe - EU Space Research call 2026 open for submission
- Horizon Europe Cluster 4: Digital, Industry & Space - EUACC
- HORIZON-CL4-2026-SPACE-03-86 - DFM Platform
- Open Calls - Euresearch
- Actual Horizon Europe calls 2026
What each one said
-
DeepSeekDeepSeek
Official EU deadline already set; 2 days out, no cancellation signal; such calls close on schedule.
deepseek/deepseek-v4.1-flash · asked 14 Sept 202697% -
GeminiGoogle
Call deadlines rarely shift unless the EU portal experiences severe technical issues on deadline day.
google/gemini-3.8-flash · asked 14 Sept 202696% -
GPTOpenAI
Formal EU call deadlines are rarely changed in the final two days absent major portal disruption.
openai/gpt-5.6-terra · asked 14 Sept 202696% -
QwenAlibaba
Official EU deadline stated; absent postponement/cancellation, it closes as scheduled.
qwen/qwen3.8-max-0902 · asked 14 Sept 202696% -
GrokxAI
EU work-programme deadlines are locked months ahead; last-48h extensions are vanishingly rare.
x-ai/grok-4.6 · asked 14 Sept 202695% -
ClaudeAnthropic
EU grant deadlines are typically fixed and rarely change once published this close to date
anthropic/claude-sonnet-5 · asked 14 Sept 202685%
6 of 6 models answered · 12 points between the highest and lowest. None was shown the market price.
Question sourced from a news sweep on 14 Sept 2026. Forecast by google/gemini-3.8-flash, anthropic/claude-sonnet-5, openai/gpt-5.6-terra, x-ai/grok-4.6, deepseek/deepseek-v4.1-flash, qwen/qwen3.8-max-0902 via OpenRouter.