BenchLeader

Claude Opus 4.7 vs DeepSeek V4 Flash

Verdict
  • Claude Opus 4.7 leads on quality: 65.6 vs 59.1.
  • Claude Opus 4.7 is stronger in agents & tools, coding, composite, human preference, knowledge, long context, maths, multimodal, reasoning.
  • DeepSeek V4 Flash (high) is stronger in instruction following.
  • DeepSeek V4 Flash (high) is 60× cheaper ($0.168 vs $10.00 per 1M blended).
MetricClaude Opus 4.7DeepSeek V4 Flash (high)
BenchLeader Index65.659.1
Agents & tools score69.460.0
Coding score64.857.3
Composite score80.460.4
Human preference score69.163.2
Instruction following score58.771.5
Knowledge score66.553.2
Long context score65.962.4
Maths score65.4
Multimodal score65.7
Reasoning score66.663.2
Blended price $/M$10.00$0.168
Output speed43 tok/s44 tok/s
Time to first answer21.7 s11.7 s
Context window1M1M
Humanity's Last Exam36.2%
Terminal-Bench80.2%
SimpleBench61.7%
SciCode42.0%
WeirdML76.4%43.8%
FrontierCode38.5%
GSO-Bench44.1%
Epoch Capabilities Index156.3
LMArena Text14951439
LMArena Hard Prompts15191458
LMArena Coding15471479
LMArena WebDev15571582
LMArena Vision1317
LMArena Agent2.2
AA Intelligence Index40.724.8
IFBench58.6%73.5%
AA-LCR78.7%72.0%
MMMU-Pro78.8%
AA-Omniscience27.3-23.1
Terminal-Bench Hard51.5%38.6%
GPQA Diamond (AA)91.4%86.7%
Humanity's Last Exam (AA)42.3%30.3%
SciCode (AA)40.2%
τ²-Bench Telecom (AA)88.6%95.6%
AIME (Vals)96.3%
LiveCodeBench85.1%
MMLU-Pro89.9%
IOI47.1%
LegalBench85.3%
CorpFin66.1%
TaxEval75.3%
Terminal-Bench 2.1 (Vals)68.5%
SWE-bench (Vals)82.0%
GPQA Diamond (Vals)90.2%
Vals Index56.1
HiL-Bench41.7%
EQ-Bench 41311
Kagi LLM Benchmark73.3%

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

Claude Opus 4.7 vs DeepSeek V4 Flash: questions

Is Claude Opus 4.7 better than DeepSeek V4 Flash?
Claude Opus 4.7 leads on quality: 65.6 vs 59.1. The BenchLeader Index combines every independent quality benchmark; Claude Opus 4.7 is ahead overall as of 2026-09-10, but check the category scores for your use.
Is Claude Opus 4.7 better than DeepSeek V4 Flash for coding?
Claude Opus 4.7 scores higher in coding (65 vs 57 on the category index, where 50 is average).
Is Claude Opus 4.7 better than DeepSeek V4 Flash for agentic tasks?
Claude Opus 4.7 scores higher in agentic tasks (69 vs 60 on the category index, where 50 is average).
Which is cheaper, Claude Opus 4.7 or DeepSeek V4 Flash?
DeepSeek V4 Flash is cheaper: $0.168 against $10.00 per million tokens, blended at three input tokens per output token.
Which is faster, Claude Opus 4.7 or DeepSeek V4 Flash?
DeepSeek V4 Flash streams faster: 44 against 43 output tokens per second.
Which has the larger context window?
Both accept 1M tokens of context.