long context benchmark
CorpusQA 1M Leaderboard
CorpusQA 1M is a long-context question answering benchmark for evaluating models on approximately 1 million token contexts.
Updated Sep 5, 2026
Models3
Model coverage3
MetricScore
EvidenceB
CorpusQA 1M Ranking
Higher score ranks better on this benchmark.
Sort by
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelDE | Score62.00% | Percentile100.00% | Participants3 | EvidenceC | Evaluated |
| Rank02 | ModelDE | Score60.50% | Percentile50.00% | Participants3 | EvidenceC | Evaluated |
| Rank03 | ModelDE | Score59.30% | Percentile0.00% | Participants3 | EvidenceC | Evaluated |
CorpusQA 1M Highlights
The leading models and scores on this benchmark.
CorpusQA 1M Score Distribution
A closer view of the leading scores on this benchmark.
The Top AI Models for CorpusQA 1M
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What is CorpusQA 1M?
What CorpusQA 1M measures and how its scores work.
CorpusQA 1M evaluates question answering over information distributed across an extremely long input corpus.
It measures accuracy in retrieving and reasoning over information across approximately 1 million token contexts, reported as a Score ratio.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- CorpusQA 1M
- Modality
- text
- Primary category
- long context
- Score direction
- higher
- LLMBoard eligible
- No
- Evaluation key
- overall
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about CorpusQA 1M.
Which model scores highest on CorpusQA 1M?
DeepSeek-V4-Pro-Max is currently ranked first with 62.00%.
What are the top three models on CorpusQA 1M?
The current leaders are DeepSeek-V4-Pro-Max (62.00%), DeepSeek-V4-Flash-Max (60.50%), and DeepSeek-V4-Flash-0423 (59.30%).
Which CorpusQA 1M model has the lowest official input price?
DeepSeek-V4-Flash-Max has the lowest matched official input price at $0.14 input / $0.28 output per 1M tokens.
Which models are fastest among CorpusQA 1M results?
No matched runtime record is currently available.
Does the highest score result prove overall model quality?
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.