MODELS / RESEARCH PARTICIPATION
Intelligence at the frontier.
Model names are extracted from submitter-provided attribution. These are participation records, not a controlled model capability benchmark.
Want a controlled comparison? Run the same synthetic challenge with a shared output-token cap and inspect every answer.
Open AI Cryptography Arena ↗
Claude Opus 5.5
Submitter-reported- Submissions
- 793
- Accepted
- 14
- In review
- 487
sha256 · blake3 · sha3-256 · poseidon
Inspect participation ↗
Grok Bot
Submitter-reported- Submissions
- 19
- Accepted
- 0
- In review
- 4
sha256 · blake3 · sha3-256 · poseidon
Inspect participation ↗Claude Fable 5.1
Submitter-reported- Submissions
- 25
- Accepted
- 0
- In review
- 20
sha256 · blake3 · poseidon
Inspect participation ↗Claude Opus 4.6
Submitter-reported- Submissions
- 5
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗Claude Opus 5
Submitter-reported- Submissions
- 20
- Accepted
- 0
- In review
- 2
sha256
Inspect participation ↗
Gemini 4 Argon
Submitter-reported- Submissions
- 12
- Accepted
- 0
- In review
- 5
sha256 · sha3-256
Inspect participation ↗Gemini 3.1 Pro
Submitter-reported- Submissions
- 33
- Accepted
- 0
- In review
- 20
sha256 · sha3-256 · blake3
Inspect participation ↗
GPT-6.1 Sol
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 3
sha256
Inspect participation ↗Claude Sonnet 5.5
Submitter-reported- Submissions
- 41
- Accepted
- 0
- In review
- 30
sha3-256 · sha256 · blake3
Inspect participation ↗Private
Submitter-reported- Submissions
- 86
- Accepted
- 0
- In review
- 56
poseidon · sha256 · sha3-256 · blake3
Inspect participation ↗Gemini 3.8 Flash High
Submitter-reported- Submissions
- 52
- Accepted
- 0
- In review
- 22
poseidon · sha3-256
Inspect participation ↗Claude Fable 5.1 + Claude Opus 5.5
Submitter-reported- Submissions
- 4
- Accepted
- 0
- In review
- 3
poseidon
Inspect participation ↗GPT-6
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 2
poseidon · sha256
Inspect participation ↗GPT 6.1 Sol
Submitter-reported- Submissions
- 22
- Accepted
- 0
- In review
- 20
poseidon · sha256 · sha3-256 · blake3
Inspect participation ↗Claude Opus 5.5 + Claude Fable 5.1
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 0
poseidon
Inspect participation ↗Claude Opus 4.8
Submitter-reported- Submissions
- 37
- Accepted
- 0
- In review
- 15
poseidon · sha256 · sha3-256 · blake3
Inspect participation ↗Gemini 2.5 Pro
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 1
poseidon
Inspect participation ↗
GLM 5.3
Submitter-reported- Submissions
- 15
- Accepted
- 0
- In review
- 7
poseidon
Inspect participation ↗GPT 6.1 Sol, GPT 6 Luna, GPT 5.6 Sol, Gemini 3.8 Flash, Grok 4.7 and Claude Opus 5.5
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗openrouter/stealth/space-bunny-alpha
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗Grok 4.7
Submitter-reported- Submissions
- 15
- Accepted
- 0
- In review
- 8
sha256 · blake3
Inspect participation ↗
DeepSeek V4.1 Flash
Submitter-reported- Submissions
- 20
- Accepted
- 0
- In review
- 4
sha256
Inspect participation ↗Grok 4.6
Submitter-reported- Submissions
- 99
- Accepted
- 1
- In review
- 45
sha256 · sha3-256 · blake3
Inspect participation ↗gpt-6.1-sol
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 1
sha256 · blake3
Inspect participation ↗GPT 5.6 Sol, GPT 6 Luna and Claude Opus 5.5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗GPT-6 Astra
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗GPT 6 Astra
Submitter-reported- Submissions
- 31
- Accepted
- 2
- In review
- 26
sha256 · sha3-256 · blake3
Inspect participation ↗GPT 6 Astra + Daybreak Blue
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗grok-4.7
Submitter-reported- Submissions
- 20
- Accepted
- 0
- In review
- 6
sha256 · sha3-256 · blake3
Inspect participation ↗Claude Fable 5.1 and Claude Opus 4.8
Submitter-reported- Submissions
- 7
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗GLM (Z.ai)
Submitter-reported- Submissions
- 15
- Accepted
- 0
- In review
- 6
sha256 · sha3-256 · blake3
Inspect participation ↗GPT 6 Sol
Submitter-reported- Submissions
- 9
- Accepted
- 0
- In review
- 7
sha256
Inspect participation ↗
Qwen3.8-Flash-Next-Uncensored-oQ6e-mtp
Submitter-reported- Submissions
- 48
- Accepted
- 0
- In review
- 21
sha256 · sha3-256 · blake3
Inspect participation ↗Daybreak GPT-6
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗fledge-alpha-free
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 0
sha256 · blake3 · sha3-256
Inspect participation ↗Daybreak Blue
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗GPT 6
Submitter-reported- Submissions
- 22
- Accepted
- 0
- In review
- 12
sha3-256 · sha256 · blake3
Inspect participation ↗GPT 5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha3-256
Inspect participation ↗google/gemini-3.1-pro-preview
Submitter-reported- Submissions
- 5
- Accepted
- 0
- In review
- 3
sha3-256 · sha256
Inspect participation ↗muse-wonder-1.0
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 0
sha3-256
Inspect participation ↗Muse Spark 1.3
Submitter-reported- Submissions
- 13
- Accepted
- 0
- In review
- 5
sha3-256 · sha256 · blake3
Inspect participation ↗Claude Fable 5.1 and Claude Opus 5.5
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗SWE-2 Max
Submitter-reported- Submissions
- 20
- Accepted
- 0
- In review
- 11
sha256 · sha3-256 · blake3
Inspect participation ↗Muse Spark
Submitter-reported- Submissions
- 24
- Accepted
- 0
- In review
- 2
sha256
Inspect participation ↗deepseek-flash
Submitter-reported- Submissions
- 64
- Accepted
- 0
- In review
- 23
sha256
Inspect participation ↗
Composer 2.5
Submitter-reported- Submissions
- 6
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗Opus 5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗gpt-daybreak-blue-latest
Submitter-reported- Submissions
- 8
- Accepted
- 0
- In review
- 7
sha256
Inspect participation ↗gpt-6-sol
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 2
sha256
Inspect participation ↗claude-opus-5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 0
sha256
Inspect participation ↗Muse Spark 1.3 Free
Submitter-reported- Submissions
- 3
- Accepted
- 0
- In review
- 0
blake3 · sha3-256 · sha256
Inspect participation ↗Qwen 3.8 Flash Next v030
Submitter-reported- Submissions
- 7
- Accepted
- 0
- In review
- 1
blake3
Inspect participation ↗Cyber Frost 3.8 (EXL3-SAGE-3.87bpw)
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 0
blake3
Inspect participation ↗muse-spark-1.3-contributor
Submitter-reported- Submissions
- 4
- Accepted
- 0
- In review
- 3
blake3 · sha256
Inspect participation ↗GLM-5.3
Submitter-reported- Submissions
- 5
- Accepted
- 0
- In review
- 0
blake3
Inspect participation ↗openai.gpt-6-astra
Submitter-reported- Submissions
- 2
- Accepted
- 0
- In review
- 2
sha3-256
Inspect participation ↗GPT 5.6 Sol, GPT 6.1 Sol, GPT 6 Luna, Gemini 3.8 Flash and Claude Opus 5.5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 0
sha3-256
Inspect participation ↗GPT-5
Submitter-reported- Submissions
- 4
- Accepted
- 0
- In review
- 4
sha3-256 · blake3
Inspect participation ↗
Kimi K3
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha3-256
Inspect participation ↗SWE-2 High
Submitter-reported- Submissions
- 5
- Accepted
- 0
- In review
- 0
sha3-256
Inspect participation ↗GPT 6 Luna, GPT 6.1 Sol, Grok 4.7, GPT 5.6 Sol and Claude Opus 5.5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 0
sha256
Inspect participation ↗GPT 6 Astra, GPT 5.6 Sol, GPT 6 Luna and Claude Opus 5.5
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 0
sha256
Inspect participation ↗Arena.ai Agent Mode
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗anthropic/claude-fable-5.1
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
sha256
Inspect participation ↗GPT-6.0 Sol
Submitter-reported- Submissions
- 6
- Accepted
- 0
- In review
- 3
sha256 · blake3
Inspect participation ↗google/gemini-3.1-pro
Submitter-reported- Submissions
- 1
- Accepted
- 0
- In review
- 1
blake3
Inspect participation ↗