Model comparison
Grok 4.20 vs Ling 2.6 Flash
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Grok 4.20 #88 (Estimated); Ling 2.6 Flash #154 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 4.20 and Ling 2.6 Flash share 0 comparable benchmark results. 1 of 8 categories are comparable. 18 results are unique to Grok 4.20; 18 to Ling 2.6 Flash.
Updated July 21, 2026- Shared results
- 0
- Grok 4.20 only
- 18
- Ling 2.6 Flash only
- 18
- Comparable categories
- 1 / 8
Pick Grok 4.20 if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Grok 4.20 is clearly ahead on the BenchAlign aggregate, 54.68 to 43.87. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.20's sharpest advantage is in coding, where it averages 67.1 against 27.
Grok 4.20 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. Grok 4.20 gives you the larger context window at 2M, compared with 262K for Ling 2.6 Flash.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok 4.20 | Ling 2.6 Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 4.20$2 input / $6 output | Ling 2.6 FlashNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Grok 4.20233 tok/s | Ling 2.6 Flash209.5 tok/s | Grok 4.20 has the higher measured throughput. |
| First-answer latencyseconds to first token | Grok 4.2010.33 s | Ling 2.6 Flash1.07 s | Ling 2.6 Flash reaches the first token sooner. |
| Context windowmaximum listed tokens | Grok 4.202M | Ling 2.6 Flash262K | Grok 4.20 lists the larger context window. |
Benchmark Deep Dive
Agentic7 benchmarks
| Benchmark | Grok 4.20 | Ling 2.6 Flash | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 47.1% | — | Not comparable |
| DeepSearchQASource | 62.8% | — | Not comparable |
| Gert LabsSource | 38.36% | — | Not comparable |
| τ²-bench resultsSource | — | 86% | Not comparable |
| GDPval-AASource | — | 2.2% | Not comparable |
| GDPval-AASource | — | 545 | Not comparable |
| AA Agentic IndexSource | — | 2.3% | Not comparable |
CodingGrok 4.20 wins7 benchmarks
| Benchmark | Grok 4.20 | Ling 2.6 Flash | Result |
|---|---|---|---|
| LiveCodeBench ProSource | 74.2% | — | Not comparable |
| SWE-bench VerifiedSource | 76.7% | — | Not comparable |
| SWE-bench ProSource | 51.8% | — | Not comparable |
| Vibe Code BenchSource | 4.06% | — | Not comparable |
| SciCodeSource | — | 27% | Not comparable |
| AA Coding IndexSource | — | 25.3% | Not comparable |
| AA-SciCodeSource | — | 27.1% | Not comparable |
Reasoning3 benchmarks
Knowledge11 benchmarks
| Benchmark | Grok 4.20 | Ling 2.6 Flash | Result |
|---|---|---|---|
| GPQA-DSource | 88.5% | — | Not comparable |
| HLE w/o toolsSource | 31.6% | — | Not comparable |
| HealthBench HardSource | 20.3% | — | Not comparable |
| MedXpertQA (Text)Source | 50.2% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 14.1% | Not comparable |
| GPQASource | — | 59% | Not comparable |
| AA-GPQA DiamondSource | — | 59.3% | Not comparable |
| AA-HLESource | — | 6.2% | Not comparable |
| AA-Omniscience IndexSource | — | -65.7% | Not comparable |
| AA-Omniscience AccuracySource | — | 15.4% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 95.8% | Not comparable |
Multimodal6 benchmarks
Frequently Asked Questions (2)
Which is better, Grok 4.20 or Ling 2.6 Flash?
Grok 4.20 is ahead on BenchLM's BenchAlign leaderboard, 54.68 to 43.87.
Which is better for coding, Grok 4.20 or Ling 2.6 Flash?
Grok 4.20 has the edge for coding in this comparison, averaging 67.1 versus 27. Ling 2.6 Flash stays close enough that the answer can still flip depending on your workload.
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