Claude Sonnet 5 vs Gemini 3.5 Flash Lite
At a Glance
| Compare | Claude Sonnet 5Anthropic |  Gemini 3.5 Flash LiteGoogle DeepMind |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #26 of 4660.1 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 40.0–73.4 | #39 of 4617.6 score · 3/3 sources · complete |
| CostLower is better · Published-token output estimate | #29 of 44$0.194 per LiveBench case | #8 of 44$0.029 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.5 | #30 of 3847.4 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 37.4–54.0 | #32 of 3846.2 score · 3/3 sources · complete |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $2.00Anthropic ↗ · Sep 3, 2026 | $0.30Google AI ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $10.00Anthropic ↗ · Sep 3, 2026 | $2.50Google AI ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 1,000K | 1,049K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 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
| Benchmark | Claude Sonnet 5 | Gemini 3.5 Flash-Lite |
|---|---|---|
| LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader | 5.97100% of row best · score · Claude Sonnet 5 (High); 95% CI [4.35064977, 7.58850066]; sessions 30631; observations 3176952; rank 9 | -15.3580% of row best · score · Gemini 3.5 Flash Lite; 95% CI [-16.65525683, -14.04242266]; sessions 23248; observations 670178; rank 45 |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · statistical tie | 1,442.15100% of row best · rating · claude-sonnet-5-high; 95% CI [1437.57467941, 1446.71829948]; votes 35301; rank 62 | 1,435.54100% of row best · rating · gemini-3.5-flash-lite; 95% CI [1430.59505493, 1440.49024696]; votes 26165; rank 79 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · statistical tie | 1,277.16100% of row best · rating · claude-sonnet-5-high; 95% CI [1269.57643110, 1284.74576666]; votes 10289; rank 32 | 1,268.4299% of row best · rating · gemini-3.5-flash-lite; 95% CI [1258.88097193, 1277.96729164]; votes 5254; rank 37 |
| LiveBench2026-06-25 · overall · leader | 80.01100% of row best · percent · claude-sonnet-5-xhigh-effort · 19,428 output tokens / case | 66.3583% of row best · percent · gemini-3.5-flash-lite-high · 11,526 output tokens / case |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 86.51100% of row best · points · Claude Sonnet 5 (max effort) · 71,003 output tokens / case | 73.4285% of row best · points · Gemini 3.5 Flash-Lite · 1,966 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 2 ties | 2 benchmark winsOverall lead | 0 benchmark wins |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Claude Sonnet 5 | Gemini 3.5 Flash-Lite |
|---|---|---|
| Developer | Anthropic | Google DeepMind |
| Family | Claude 5 | Gemini 3 |
| Model | Claude Sonnet 5 | Gemini 3.5 Flash-Lite |
| Version | Claude Sonnet 5 | Gemini 3.5 Flash-Lite |
| Lifecycle | active | active |
| Released | 2026-06-30 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image, Video, Audio, Document |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,049K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard), Deepinfra (Standard), Openrouter (Standard) | Google AI (Standard), Google Gemini (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Claude Sonnet 5 Capabilities
Gemini 3.5 Flash Lite Capabilities
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Claude Sonnet 5Anthropic | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Claude Sonnet 5Anthropic | vs |  Hy4 previewTencent | cross-developer peerstext |
Claude Sonnet 5Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 5 vs Gemini 3.5 Flash Lite FAQs
Is Claude Sonnet 5 or Gemini 3.5 Flash Lite better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 5 and Gemini 3.5 Flash Lite, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
Claude Sonnet 5 is $2.00 and Gemini 3.5 Flash Lite is $0.30 per million tokens, so Gemini 3.5 Flash Lite is cheaper on this metric. Claude Sonnet 5 is $10.00 and Gemini 3.5 Flash Lite is $2.50 per million tokens, so Gemini 3.5 Flash Lite is cheaper on this metric.
Which has a larger context window, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
Gemini 3.5 Flash Lite has the larger sourced context window. Claude Sonnet 5 supports 1,000K and Gemini 3.5 Flash Lite supports 1,049K.
Which performs better in benchmarks, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
Claude Sonnet 5 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Claude Sonnet 5 or Gemini 3.5 Flash Lite be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Sonnet 5 is not marked open weight; Gemini 3.5 Flash Lite is not marked open weight.
Can Claude Sonnet 5 and Gemini 3.5 Flash Lite understand images?+
Claude Sonnet 5 is documented with image input; Gemini 3.5 Flash Lite is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
Claude Sonnet 5 has the larger sourced maximum output: Claude Sonnet 5 supports 128K and Gemini 3.5 Flash Lite supports 66K output tokens.
Do Claude Sonnet 5 and Gemini 3.5 Flash Lite support reasoning and tool use?+
Claude Sonnet 5: reasoning, tool calling, and image input. Gemini 3.5 Flash Lite: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
Claude Sonnet 5 has 3 sourced provider routes; Gemini 3.5 Flash Lite has 2, so Claude Sonnet 5 has broader tracked availability.
Which offers better value, Claude Sonnet 5 or Gemini 3.5 Flash Lite?+
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.