Claude Sonnet 4.5 vs Gemini 3.8 Flash Cyber
At a Glance
| Compare | Claude Sonnet 4.5Anthropic |  Gemini 3.8 Flash CyberGoogle DeepMind |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #36 of 4627.7 score · 2/3 sources · provisional · missing LiveBench · full-core range 18.5–51.8 | UnrankedNot in the 46-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Context windowMaximum documented tokens | 200K | Not reported |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 2, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | Claude Sonnet 4.5 | Gemini 3.8 Flash Cyber |
|---|---|---|
| Developer | Anthropic | Google DeepMind |
| Family | Claude 4 | Gemini 3 |
| Model | Claude Sonnet 4.5 | Gemini 3.8 Flash Cyber |
| Version | Claude Sonnet 4.5 | Gemini 3.8 Flash Cyber |
| Lifecycle | active | active |
| Released | 2025-09-29 | 2026-09-02 |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 200K | Unknown |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | No |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | automated-patching, cybersecurity, reasoning, vulnerability-detection |
Claude Sonnet 4.5 Capabilities
Gemini 3.8 Flash Cyber Capabilities
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Claude Sonnet 4.5Anthropic | vs |  GLM-5.3Z.ai | cross-developer peerstext |
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Claude Sonnet 4.5Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Gemini 3.8 Flash Cyber FAQs
Is Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 and Gemini 3.8 Flash Cyber, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
Only Claude Sonnet 4.5 has a directly sourced input price: $3.00 per million tokens. Only Claude Sonnet 4.5 has a directly sourced output price: $15.00 per million tokens.
Which has a larger context window, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
Neither model has a larger sourced context window in this comparison. Claude Sonnet 4.5 is 200K and Gemini 3.8 Flash Cyber is —.
Which performs better in benchmarks, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Sonnet 4.5 is not marked open weight; Gemini 3.8 Flash Cyber is not marked open weight.
Can Claude Sonnet 4.5 and Gemini 3.8 Flash Cyber understand images?+
Claude Sonnet 4.5 is documented with image input; Gemini 3.8 Flash Cyber is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
Neither has a larger sourced maximum output. Claude Sonnet 4.5 is 64K and Gemini 3.8 Flash Cyber is —.
Do Claude Sonnet 4.5 and Gemini 3.8 Flash Cyber support reasoning and tool use?+
Claude Sonnet 4.5: reasoning, tool calling, and image input. Gemini 3.8 Flash Cyber: reasoning. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
Claude Sonnet 4.5 has 1 sourced provider route; Gemini 3.8 Flash Cyber has 0, so Claude Sonnet 4.5 has broader tracked availability.
Which offers better value, Claude Sonnet 4.5 or Gemini 3.8 Flash Cyber?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.