Model comparison
Claude 4 Sonnet vs Ling 2.6 Flash
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude 4 Sonnet #158 (Supported); Ling 2.6 Flash #154 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 4 Sonnet and Ling 2.6 Flash share 11 comparable benchmark results. 1 of 8 categories are comparable. 5 results are unique to Claude 4 Sonnet; 7 to Ling 2.6 Flash.
Updated July 21, 2026- Shared results
- 11
- Claude 4 Sonnet only
- 5
- Ling 2.6 Flash only
- 7
- Comparable categories
- 1 / 8
Pick Ling 2.6 Flash if you want the stronger benchmark profile. Claude 4 Sonnet only becomes the better choice if coding is the priority.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 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
Ling 2.6 Flash has the cleaner BenchAlign overall profile here, landing at 43.87 versus 42.79. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Ling 2.6 Flash gives you the larger context window at 262K, compared with 200K for Claude 4 Sonnet.
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 | Claude 4 Sonnet | Δ | Ling 2.6 Flash |
|---|---|---|---|
| Coding | Claude 4 Sonnet72.7 | Margin← 45.7 | Ling 2.6 Flash27.0 |
| Knowledge | Claude 4 SonnetNot measured | MarginNo overlap | Ling 2.6 Flash59.0 |
| Inst. Following | Claude 4 SonnetNot measured | MarginNo overlap | Ling 2.6 Flash57.0 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude 4 Sonnet | Ling 2.6 Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 4 Sonnet$3 input / $15 output | Ling 2.6 FlashNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude 4 Sonnet40 tok/s | Ling 2.6 Flash209.5 tok/s | Ling 2.6 Flash has the higher measured throughput. |
| First-answer latencyseconds to first token | Claude 4 Sonnet1.33 s | Ling 2.6 Flash1.07 s | Ling 2.6 Flash reaches the first token sooner. |
| Context windowmaximum listed tokens | Claude 4 Sonnet200K | Ling 2.6 Flash262K | Ling 2.6 Flash lists the larger context window. |
Benchmark Deep Dive
Agentic6 benchmarks
CodingClaude 4 Sonnet wins4 benchmarks
Reasoning2 benchmarks
Knowledge7 benchmarks
| Benchmark | Claude 4 Sonnet | Ling 2.6 Flash | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 25.5% | 14.1% | Claude 4 Sonnet leads |
| AA-GPQA DiamondSource | 68.3% | 59.3% | Claude 4 Sonnet leads |
| AA-HLESource | 4.0% | 6.2% | Ling 2.6 Flash leads |
| AA-Omniscience IndexSource | -9.2% | -65.7% | Claude 4 Sonnet leads |
| AA-Omniscience AccuracySource | 22.4% | 15.4% | Claude 4 Sonnet leads |
| AA-Omniscience Hallucination RateSource | 40.8% | 95.8% | Claude 4 Sonnet leads |
| GPQASource | — | 59% | Not comparable |
Multimodal2 benchmarks
Frequently Asked Questions (2)
Which is better, Claude 4 Sonnet or Ling 2.6 Flash?
Ling 2.6 Flash is ahead on BenchLM's BenchAlign leaderboard, 43.87 to 42.79.
Which is better for coding, Claude 4 Sonnet or Ling 2.6 Flash?
Claude 4 Sonnet has the edge for coding in this comparison, averaging 72.7 versus 27. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.
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