Model comparison
Ling 2.6 Flash vs o1
Head-to-head evidence from 13 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Ling 2.6 Flash #154 (Estimated); o1 #129 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Ling 2.6 Flash and o1 share 13 comparable benchmark results. 2 of 8 categories are comparable. 5 results are unique to Ling 2.6 Flash; 3 to o1.
Updated July 21, 2026- Shared results
- 13
- Ling 2.6 Flash only
- 5
- o1 only
- 3
- Comparable categories
- 2 / 8
Pick o1 if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if you need the larger 262K context window or you would rather avoid the extra latency and token burn of a reasoning model.
Confidence note. This is a partial-evidence comparison with 13 shared benchmark results across 5 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
o1 is clearly ahead on the BenchAlign aggregate, 48.1 to 43.87. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o1's sharpest advantage is in instruction following, where it averages 92.2 against 57. The single biggest benchmark swing on the page is GPQA, 59% to 75.7%.
o1 is the reasoning model in the pair, while Ling 2.6 Flash is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Ling 2.6 Flash gives you the larger context window at 262K, compared with 200K for o1.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Ling 2.6 Flash | Δ | o1 |
|---|---|---|---|
| Inst. Following | Ling 2.6 Flash57.0 | Margin→ 35.2 | o192.2 |
| Knowledge | Ling 2.6 Flash59.0 | Margin→ 16.7 | o175.7 |
| Coding | Ling 2.6 Flash27.0 | MarginNo overlap | o1Not measured |
| Math | Ling 2.6 FlashNot measured | MarginNo overlap | o19.3 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
GPQA
KnowledgeA 59%B 75.7%Winner: o1Δ 16.7GPQA: Ling 2.6 Flash scored 59%; o1 scored 75.7%. o1 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Ling 2.6 Flash | o1 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Ling 2.6 FlashNot available | o1$15 input / $60 output | A complete price comparison is not available. |
| Generation speedtokens per second | Ling 2.6 Flash209.5 tok/s | o198 tok/s | Ling 2.6 Flash has the higher measured throughput. |
| First-answer latencyseconds to first token | Ling 2.6 Flash1.07 s | o132.29 s | Ling 2.6 Flash reaches the first token sooner. |
| Context windowmaximum listed tokens | Ling 2.6 Flash262K | o1200K | Ling 2.6 Flash lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledgeo1 wins8 benchmarks
| Benchmark | Ling 2.6 Flash | o1 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 14.1% | 23.4% | o1 leads |
| GPQASource | 59% | 75.7% | o1 leads |
| AA-GPQA DiamondSource | 59.3% | 74.7% | o1 leads |
| AA-HLESource | 6.2% | 7.7% | o1 leads |
| AA-Omniscience IndexSource | -65.7% | -10.5% | o1 leads |
| AA-Omniscience AccuracySource | 15.4% | 34.7% | o1 leads |
| AA-Omniscience Hallucination RateSource | 95.8% | 69.3% | o1 leads |
| MMLUSource | — | 91.8% | Not comparable |
Math1 benchmarks
| Benchmark | Ling 2.6 Flash | o1 | Result |
|---|---|---|---|
| FrontierMath v2 (Tiers 1-3)Source | — | 9.310% | Not comparable |
Frequently Asked Questions (3)
Which is better, Ling 2.6 Flash or o1?
o1 is ahead on BenchLM's BenchAlign leaderboard, 48.1 to 43.87. The biggest single separator in this matchup is GPQA, where the scores are 59% and 75.7%.
Which is better for knowledge tasks, Ling 2.6 Flash or o1?
o1 has the edge for knowledge tasks in this comparison, averaging 75.7 versus 59. Inside this category, AA-Omniscience Index is the benchmark that creates the most daylight between them.
Which is better for instruction following, Ling 2.6 Flash or o1?
o1 has the edge for instruction following in this comparison, averaging 92.2 versus 57. Inside this category, AA-IFBench is the benchmark that creates the most daylight between them.
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