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- Claude Haiku 5.5 vs. Gemini 3.8 Flash
AnthropicGoogleLLM matchup
Claude Haiku 5.5vs.Gemini 3.8 Flash
Which one is better?
Claude Haiku 5.5 and Gemini 3.8 Flash perform about equally well, but Gemini 3.8 Flash costs 7.5 times as much.
Claude Haiku 5.5
Rank 20
Gemini 3.8 Flash
Rank 18
Claude Haiku 5.5
Gemini 3.8 Flash
Claude Haiku 5.5
Gemini 3.8 Flash
Claude Haiku 5.5
Rank 3 of 875
Gemini 3.8 Flash
Rank 49 of 875
Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens.
Choose Claude Haiku 5.5 for
Choose Gemini 3.8 Flash for
On this page
Where is the difference?
Strengths at a glance
Haiku 5.5Gemini 3.8 Flash
The median of all ranked models is below 100 in every area, so it sits in the centre of the net.
95 % range: Haiku 5.5 102.5 to 109.9, Gemini 3.8 Flash 97.4 to 102.3.
The same values and verdicts as the bars below. In the top field the net starts at 100 points, the reference group average; values below sit as a hollow point in the centre. Not in the net because a model has no own value there or the data are too thin: Multimodal.
Haiku 5.5 is ahead in 2 of 10 areas, Gemini 3.8 Flash in 1.
Haiku 5.5 ahead: 2Haiku 5.5 slightly ahead: 1level: 2too little data: 1Gemini 3.8 Flash slightly ahead: 3Gemini 3.8 Flash ahead: 1
Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.
Show 3 more areas that do not count toward the overall index
Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.
Claude Haiku 5.5 vs. Gemini 3.8 Flash at the same effort
Both models measured at the same reasoning efforts. This shows whether a lead comes from the model or only from more compute.
| Effort | Haiku 5.5 | Gemini 3.8 Flash | Gap | Verdict | Test series |
|---|---|---|---|---|---|
| medium | 90.4 | 105.6 | 9.2 | Gemini 3.8 Flash ahead | 11 |
| high | 96.6 | 106.5 | 3.5 | Gemini 3.8 Flash slightly ahead | 11 |
| Overall index (max vs. high) | 103.4 | 106.5 | 3.1 | Gemini 3.8 Flash slightly ahead |
Gap and verdict compare only the Artificial Analysis test series in which both models are measured at that effort. Tied below 3 points, ahead only beyond two standard errors. The single values rest on all test series of each model, so their difference can deviate from the gap.
Which model for which task?
Everyday tasks, translated from the area values above. Each row names the values it rests on.
See for yourself: same task, one attempt
The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.
Claude Haiku 5.5
Not tested yet
Gemini 3.8 Flash
The response reached the token limit. No complete recording is available.
Oct 5, 2026 · 40 s · $0.03
Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.
Test details
- Run date
- Oct 5, 2026
- API provider
- openrouter
- Requested API model
- google/gemini-3.8-flash
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 8,188 tokens
- Cost of the attempt
- $0.0307
- Response time
- 40.2 s
- API model reported in response
- google/gemini-3.8-flash
- Pinned endpoint
- Google AI Studio | google/gemini-3.8-flash-20260902
- Temperature
- Provider default
- Test protocol
- community-visual-tests-v1
- Technical checks
- Failed
Earlier attempts (3)
- Oct 2, 2026API request failedReasoning setting: high
- Oct 1, 2026API request failedReasoning setting: high
- Sep 7, 2026API request failedReasoning setting: high
SVG short test
SVG short test
One SVG task with the same fixed settings for every model, without hidden thinking.
Prompt
Return only one standalone SVG of a pelican riding a bicycle. Use viewBox="0 0 800 600", simple shapes, two clearly visible wheels and a recognizable pelican with a long beak. At most 30 SVG elements and 1800 characters. No Markdown, explanations, comments, scripts, animation, CSS or external resources.
Claude Haiku 5.5
Unavailable in this round
Gemini 3.8 Flash
Unavailable in this round
Claude Haiku 5.5 and Gemini 3.8 Flash in the overall index
Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.
Overall index (Gradually Meta-Score v4)
20 of 91 models
4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
Claude Haiku 5.5 is more popular than Gemini 3.8 Flash: 77 to 57 out of 100.
Over time
Weekly values from October 18, 2026 to November 5, 2026
Claude Haiku 5.5Gemini 3.8 Flash
All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | Claude Haiku 5.5 | Gemini 3.8 Flash |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 103.4 | 106.5 |
| Rank | Rank 20 of 91 | Rank 18 of 91 |
| Price per 1M tokens | ||
| Inputwhat you send | $0.10above 100,000 tokens: $0.50 | $0.75 |
| Outputwhat the model writes | $0.50above 100,000 tokens: $2.50 | $3.75 |
| Speed | ||
| Tokens per second | 236 | 115 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 77Rank 3 of 875 | 57Rank 49 of 875 |
| Technical | ||
| Context windowhow much text the model reads at once | 1 M tokens≈ 1,500 A4 pages | 1.05 M tokens≈ 1,570 A4 pages |
| Knowledge cutoff | June 2026 | March 2026 |
| Released | Oct 7, 2026 | Sep 2, 2026 |
| Availability | Active | Active |
| Open weights | no | no |
Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis
Is there a better choice?
Overall index 126.1, rank 1. $4 input and $20 output per 1M tokens.
Gemini 3.8 Flash vs. Claude Opus 5.5Shared benchmarks
Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.
A: Claude Haiku 5.5B: Gemini 3.8 Flash
Show 54 more benchmarks
More comparisons
Compare Claude Haiku 5.5 and Gemini 3.8 Flash with the models people compare them with most often.
Compare another matchup
Predecessor and successor
The most popular comparisons
- 1Claude Haiku 5.5 vs. GPT-6 Luna
- 2Gemini 3.8 Flash vs. DeepSeek-V4.1-Flash
- 3Claude Opus 4.6 vs. Gemini 3.8 Flash
- 4Claude Opus 5.5 vs. Gemini 3.8 Flash
- 5Claude Sonnet 5.5 vs. Gemini 3.8 Flash
- 6GPT-6 Luna vs. Gemini 3.8 Flash
- 7Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 8Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017
- 9Claude Haiku 5.5 vs. DeepSeek-V4-Flash
Show all 69 comparisons
- 10Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
- 11Gemini 3.8 Flash vs. Gemini 3.1 Pro Preview
- 12Claude Sonnet 4.6 vs. Gemini 3.8 Flash
- 13Claude Opus 5.5 vs. Claude Haiku 5.5
- 14Gemini 3.8 Flash vs. GLM-5.3-Flash
- 15GPT-6 Sol vs. Gemini 3.8 Flash
- 16Gemini 3.8 Flash vs. Gemini 3.5 Flash-Lite
- 17GPT-5.6 Sol vs. Gemini 3.8 Flash
- 18Gemini 3.8 Flash vs. Grok 4.7
- 19Claude Haiku 5.5 vs. GLM-5.3
- 20Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
- 21Claude Haiku 5.5 vs. Claude Sonnet 4.5
- 22Gemini 3.8 Flash vs. DeepSeek-V4-Pro
- 23GPT-6.1 Sol vs. Gemini 3.8 Flash
- 24GPT-5.6 Luna vs. Gemini 3.8 Flash
- 25Gemini 3.8 Flash vs. DeepSeek-V4-Flash
- 26Claude Sonnet 4.5 vs. Gemini 3.8 Flash
- 27Claude Haiku 5.5 vs. Claude Sonnet 5
- 28GPT-6 Astra vs. Gemini 3.8 Flash
- 29Claude Opus 5 vs. Gemini 3.8 Flash
- 30Claude Haiku 5.5 vs. Claude Opus 5
- 31Claude Haiku 5.5 vs. GPT-6 Astra
- 32Claude Haiku 5.5 vs. Gemini 3.5 Flash
- 33Claude Haiku 5.5 vs. Claude Opus 4.8
- 34Claude Haiku 5.5 vs. Gemini 4 Argon
- 35Claude Haiku 5.5 vs. Grok 4.7
- 36Claude Haiku 5.5 vs. GPT-5.6 Luna
- 37Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
- 38Claude Haiku 5.5 vs. Muse Spark 1.3
- 39Claude Haiku 5.5 vs. Claude Sonnet 4.6
- 40Claude Haiku 5.5 vs. Gemini 3.7 Flash
- 41Gemini 3.8 Flash vs. Grok 4.6
- 42Claude Haiku 5.5 vs. Mistral Large 4
- 43Gemini 3.8 Flash vs. GLM-5.3
- 44Gemini 3.8 Flash vs. DeepSeek V4.1 Flash 1017
- 45GPT-5.4 mini vs. Gemini 3.8 Flash
- 46Claude Haiku 5.5 vs. GPT-6.1 Sol
- 47Gemini 3.8 Flash vs. Muse Spark 1.3
- 48Gemini 3.8 Flash vs. Qwen 3.8 27B
- 49Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
- 50Claude Haiku 5.5 vs. GLM-5.3-Flash
- 51Claude Haiku 5.5 vs. DeepSeek-V4-Pro
- 52Claude Haiku 5.5 vs. GPT-5.6 Sol
- 53Claude Haiku 5.5 vs. Gemini 3.6 Flash
- 54Claude Haiku 5.5 vs. Claude Opus 4.6
- 55Gemini 3.8 Flash vs. GLM-5.2
- 56Gemini 3.8 Flash vs. Gemini 3.6 Flash
- 57Claude Haiku 5.5 vs. Kimi K2.6
- 58GPT-6.1 Terra vs. Gemini 3.8 Flash
- 59Gemini 3.8 Flash vs. Mistral Large 4
- 60Claude Haiku 4.5 vs. Gemini 3.8 Flash
- 61Claude Fable 5 vs. Gemini 3.8 Flash
- 62Claude Haiku 5.5 vs. Claude Opus 4.7
- 63Claude Haiku 5.5 vs. Mistral Large 3
- 64Claude Haiku 5.5 vs. GPT-5.5
- 65Gemini 3.8 Flash vs. Gemini 3.5 Flash
- 66Gemini 3.8 Flash vs. MiMo-V2.5-Pro
- 67GPT-5.5 vs. Gemini 3.8 Flash
- 68Claude Haiku 5.5 vs. GPT-6.1 Terra
- 69Gemini 3.8 Flash vs. Muse Wonder Full