Model comparison
DeepSeek V4 Flash vs GLM-4.6
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: DeepSeek V4 Flash #61 (Estimated); GLM-4.6 #85 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. DeepSeek V4 Flash and GLM-4.6 share 0 comparable benchmark results. 1 of 8 categories are comparable. 22 results are unique to DeepSeek V4 Flash; 14 to GLM-4.6.
Updated July 23, 2026- Shared results
- 0
- DeepSeek V4 Flash only
- 22
- GLM-4.6 only
- 14
- Comparable categories
- 1 / 8
Pick DeepSeek V4 Flash if you want the stronger benchmark profile. GLM-4.6 only becomes the better choice if you want the stronger reasoning-first profile.
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
DeepSeek V4 Flash is clearly ahead on the BenchAlign aggregate, 58.88 to 55.12. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
DeepSeek V4 Flash's sharpest advantage is in mathematics, where it averages 40.8 against 3.4.
GLM-4.6 is the reasoning model in the pair, while DeepSeek V4 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. DeepSeek V4 Flash gives you the larger context window at 1M, compared with 200K for GLM-4.6.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | DeepSeek V4 Flash | GLM-4.6 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | DeepSeek V4 Flash$0.14 input / $0.28 output | GLM-4.6Not available | A complete price comparison is not available. |
| Generation speedtokens per second | DeepSeek V4 FlashNot available | GLM-4.6Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | DeepSeek V4 FlashNot available | GLM-4.6Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | DeepSeek V4 Flash1M | GLM-4.6200K | DeepSeek V4 Flash lists the larger context window. |
Benchmark Deep Dive
Agentic6 benchmarks
Coding6 benchmarks
Reasoning4 benchmarks
Knowledge12 benchmarks
| Benchmark | DeepSeek V4 Flash | GLM-4.6 | Result |
|---|---|---|---|
| MMLU-ProSource | 83% | — | Not comparable |
| SimpleQASource | 23.1% | — | Not comparable |
| Chinese-SimpleQASource | 71.5% | — | Not comparable |
| GPQASource | 71.2% | — | Not comparable |
| GPQA-DSource | 71.2% | — | Not comparable |
| HLESource | 8.1% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 23.0% | Not comparable |
| AA-GPQA DiamondSource | — | 63.2% | Not comparable |
| AA-HLESource | — | 5.2% | Not comparable |
| AA-Omniscience IndexSource | — | -31.6% | Not comparable |
| AA-Omniscience AccuracySource | — | 20.8% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 66.1% | Not comparable |
MathDeepSeek V4 Flash wins6 benchmarks
Multimodal1 benchmarks
| Benchmark | DeepSeek V4 Flash | GLM-4.6 | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 1238 | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | DeepSeek V4 Flash | GLM-4.6 | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 36.7% | Not comparable |
Frequently Asked Questions (2)
Which is better, DeepSeek V4 Flash or GLM-4.6?
DeepSeek V4 Flash is ahead on BenchLM's BenchAlign leaderboard, 58.88 to 55.12.
Which is better for math, DeepSeek V4 Flash or GLM-4.6?
DeepSeek V4 Flash has the edge for math in this comparison, averaging 40.8 versus 3.4. GLM-4.6 stays close enough that the answer can still flip depending on your workload.
Related Comparisons
Explore More
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.