Claude Haiku 5.5

Claude Haiku 5.5

anthropic/claude-haiku-5.5

starter@v1HostedOpenRouterserved by Amazon Bedrock1M context2026-10-07 20:54 UTC
Overall score
70

113 of 153 test cases fully passed

Throughput
226.5tok/s
Mean per test case, 225 tok/s over the run
Output per test
3.9Ktokens
Answer plus reasoning
Reasoning per test
3Ktokens
78% of the output
Total tokens
1.8M
1.2M in, 596.7K out
Run time
1h 5m
25.5s per caseRequest time, summed
Cost
$0.42
$0.0028 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
61Agents12 of 21 passed
90Structured Extraction19 of 21 passed
86Coding18 of 21 passed
76Grounded Answers16 of 21 passed
94Instruction Following19 of 21 passed
67Business Logic14 of 21 passed
67Security & permissions14 of 21 passed
17Diagnosis & investigation1 of 6 passed

Speed and output per test case

One bar per test case. Hover to inspect a case, select it to read the answer.

ThroughputPeak 580 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":"anthropic/claude-haiku-5.5","provider":{"order":["amazon-bedrock"],"allow_fallbacks":false},"service_tier":"default","messages":[{"role":"user","content":"Hello"}]}'

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

Record id
Suite hash, starter@v1
Config hash

Configuration

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

Deployment
Hosted
API
OpenRouter
Serving provider
Amazon Bedrock
Precision
Provider default
Context window
1M
Temperature
0
Bench version
v1.0.0
Ran at
2026-10-07 20:54 UTC
Provider parameters
{
  "provider": {
    "order": [
      "amazon-bedrock"
    ],
    "allow_fallbacks": false
  },
  "service_tier": "default"
}
Token budget per task
TaskReasoningMax output per call
Agents4.1Khigh12.3K
Structured Extraction4.1Khigh12.3K
Coding4.1Khigh12.3K
Grounded Answers4.1Khigh12.3K
Instruction Following4.1Khigh12.3K
Business Logic4.1Khigh12.3K
Security & permissions4.1Khigh12.3K
Diagnosis & investigation4.1Khigh12.3K