Model comparison
Claude Opus 4.7 vs DeepSeek V4 Flash
Head-to-head evidence from 2 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Opus 4.7 #12 (Supported); DeepSeek V4 Flash #61 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 4.7 and DeepSeek V4 Flash share 2 comparable benchmark results. 1 of 8 categories are comparable. 19 results are unique to Claude Opus 4.7; 20 to DeepSeek V4 Flash.
Updated July 23, 2026- Shared results
- 2
- Claude Opus 4.7 only
- 19
- DeepSeek V4 Flash only
- 20
- Comparable categories
- 1 / 8
Pick Claude Opus 4.7 if you want the stronger benchmark profile. DeepSeek V4 Flash only becomes the better choice if mathematics is the priority or you want the cheaper token bill.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 2 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
Claude Opus 4.7 is clearly ahead on the BenchAlign aggregate, 71.94 to 58.88. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.7 is also the more expensive model on tokens at $5.00 input / $25.00 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash. That is roughly 89.3x on output cost alone.
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 Opus 4.7 | Δ | DeepSeek V4 Flash |
|---|---|---|---|
| Math | Claude Opus 4.738.6 | Margin→ 2.2 | DeepSeek V4 Flash40.8 |
| Agentic | Claude Opus 4.7Not measured | MarginNo overlap | DeepSeek V4 Flash49.1 |
| Coding | Claude Opus 4.7Not measured | MarginNo overlap | DeepSeek V4 Flash64.2 |
| Knowledge | Claude Opus 4.7Not measured | MarginNo overlap | DeepSeek V4 Flash38.8 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.7 | DeepSeek V4 Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.7$5 input / $25 output | DeepSeek V4 Flash$0.14 input / $0.28 output | DeepSeek V4 Flash has the lower combined listed price. |
| Generation speedtokens per second | Claude Opus 4.7Not available | DeepSeek V4 FlashNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.7Not available | DeepSeek V4 FlashNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.71M | DeepSeek V4 Flash1M | Listed context windows are equal. |
Benchmark Deep Dive
Agentic8 benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V4 Flash | Result |
|---|---|---|---|
| τ²-bench resultsSource | 74% | — | Not comparable |
| Gert LabsSource | 65.59% | 54.35% | Claude Opus 4.7 leads |
| ResearchClawBenchSource | 20.7% | — | Not comparable |
| OSWorld 2.0Source | 13.9% | — | Not comparable |
| Terminal-Bench 2.0Source | — | 49.1% | Not comparable |
| MCP AtlasSource | — | 64% | Not comparable |
| ToolathlonSource | — | 40.7% | Not comparable |
| Claw-EvalSource | — | 57.8% | Not comparable |
Coding8 benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V4 Flash | Result |
|---|---|---|---|
| Vibe Code BenchSource | 71.00% | — | Not comparable |
| React Native EvalsSource | 82.8% | — | Not comparable |
| AA-SciCodeSource | 50.1% | — | Not comparable |
| FrontierCode 1.1 MainSource | 38.5% | — | Not comparable |
| SWE-bench VerifiedSource | — | 73.7% | Not comparable |
| SWE-bench ProSource | — | 49.1% | Not comparable |
| SWE MultilingualSource | — | 69.7% | Not comparable |
| Terminal-Bench 2.0Source | — | 49.1% | Not comparable |
Reasoning4 benchmarks
Knowledge12 benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V4 Flash | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 42.7% | — | Not comparable |
| AA-GPQA DiamondSource | 88.5% | — | Not comparable |
| AA-HLESource | 31.2% | — | Not comparable |
| AA-Omniscience IndexSource | 14.2% | — | Not comparable |
| AA-Omniscience AccuracySource | 43.5% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 51.9% | — | Not comparable |
| 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 |
MathDeepSeek V4 Flash wins6 benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V4 Flash | Result |
|---|---|---|---|
| FrontierMath v2 (Tiers 1-3)Source | 43.793% | — | Not comparable |
| FrontierMath v2 (Tier 4)Source | 22.917% | — | Not comparable |
| HMMT Feb 2026Source | — | 40.8% | Not comparable |
| IMOAnswerBenchSource | — | 41.9% | Not comparable |
| ApexSource | — | 1.0% | Not comparable |
| Apex ShortlistSource | — | 9.3% | Not comparable |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V4 Flash | Result |
|---|---|---|---|
| AA-IFBenchSource | 43.6% | — | Not comparable |
Frequently Asked Questions (2)
Which is better, Claude Opus 4.7 or DeepSeek V4 Flash?
Claude Opus 4.7 is ahead on BenchLM's BenchAlign leaderboard, 71.94 to 58.88.
Which is better for math, Claude Opus 4.7 or DeepSeek V4 Flash?
DeepSeek V4 Flash has the edge for math in this comparison, averaging 40.8 versus 38.6. Claude Opus 4.7 stays close enough that the answer can still flip depending on your workload.
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