DeepSeek V4.1 Flash

DeepSeek V4.1 Flash

deepseek/deepseek-v4.1-flash

starter@v1HostedOpenRouterserved by MorphFP81M context2026-10-03 09:34 UTC
Compare
Overall score
64

102 of 153 test cases fully passed

Throughput
31.8tok/s
Mean per test case, 30 tok/s over the run
Output per case
6Ktokens
Answer plus reasoning
Reasoning per case
5.4Ktokens
91% of the output
Total tokens
2.4M
1.4M in, 917.3K out
Run time
9h 8m
3m 35s per caseSum of request times
Cost
$0.39
$0.0026 per caseAt the provider's list price

Every test case

153 test cases in 8 tasks

One square per test case. Select a square to read the answer.

PassedPartial creditFailed
46Agents9 of 21 passed
86Structured Extraction18 of 21 passed
51Coding10 of 21 passed
76Grounded Answers16 of 21 passed
89Instruction Following18 of 21 passed
81Business Logic17 of 21 passed
69Security & permissions13 of 21 passed
17Diagnosis & investigation1 of 6 passed

Speed and output per test case

One bar per test case. Hover a bar to see its numbers. Select it to read the answer.

ThroughputPeak 64 tok/s
Output tokensReasoningAnswer

Test by test

Every answer with its reasoning and the checks it had to pass.

Reproduce this run

The prompts stay private so models can't train on them. The hashes pin the exact suite and config this run used.

Serve the modelOpenRouterHosted
curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek/deepseek-v4.1-flash","provider":{"order":["morph/fp8"],"allow_fallbacks":false},"messages":[{"role":"user","content":"Hello"}]}'

The request the benchmark sent, pinned to the provider that served it.

Record id
5c437327-93d7-4145-ad35-…
Suite hash, starter@v1
b2dd90d6df5fcacbb6dab8f4…
Config hash
476391aac1e0dab651605a41…

Configuration

Where the suite ran, and the token budget each task got.

Deployment
Hosted
API
OpenRouter
Serving provider
Morph
Precision
FP8
Context window
1M
Temperature
0
Bench version
v1.0.0
Ran at
2026-10-03 09:34 UTC
Provider parameters
{
  "provider": {
    "order": [
      "morph/fp8"
    ],
    "allow_fallbacks": false
  }
}
Token budget per task
TaskReasoningMax output per call
Agents4.1K12.3K
Structured Extraction4.1K12.3K
Coding4.1K12.3K
Grounded Answers4.1K12.3K
Instruction Following4.1K12.3K
Business Logic4.1K12.3K
Security & permissions4.1K12.3K
Diagnosis & investigation4.1K12.3K