WhichAI.today

Claude Haiku 5.5 vs Gemini 3.5 Flash-Lite

Updated Oct 31, 2026. Checked daily. Last checked Nov 13, 2026.

The short answer

Gemini 3.5 Flash-Lite ranks ahead in every job we track where either appears (speed & high volume).

Claude Haiku 5.5

0 of 1 job ahead

Free (limited)

Gemini 3.5 Flash-Lite

1 of 1 job ahead

Free (limited)

Head to head, job by job

Each job ranks a #1, an alternative, and an open-weights pick from public leaderboards. Bars compare the two scores on that job's own signal.

Claude Haiku 5.5Gemini 3.5 Flash-Lite
⚡ Speed & High Volume
Alternative
237
#1Ahead
412

Which one should you pick?

Claude Haiku 5.5

Anthropic

Pick this when you want speed and a Claude account.

Skip it when the task is hard enough that Opus or Fable would change the answer.

Artificial Analysis output speed 237 tokens/sec.

Gemini 3.5 Flash-Lite

Google

Pick this when you need high volume and a miss is cheap.

Skip it for hard coding, legal reading, or anything where a miss is expensive.

Artificial Analysis output speed 412 tokens/sec (Oct 2026).

Price, access, and privacy

Cost
Included on the free plan, with limits. API is $0.10 per million input tokens for prompts under 100K tokens.
Free API tier with rate limits. Paid API is $0.30 per million input tokens and $2.50 per million output.
Free tier
Yes, on the free Claude plan, with usage limits.
Yes. Free API use can be used to improve Google products. The paid API tier is not.
Apps
Trains on chats
Anthropic says Free, Pro, and Max chats are used for training only if you allow it, and you choose at signup. The toggle has been reported as on by default, so check it. Settings, then Privacy. Turn off Help improve Claude.
Yes for adults. Gemini Apps Activity is on by default, and those chats can be used to improve Google AI. Gemini Apps Activity, turn off Keep Activity. Safety review can still apply.
Released
Before our release log began.

Try both with the same prompt

Claude Haiku 5.5

Reply to this customer in two sentences. Be specific and do not over-promise.

Gemini 3.5 Flash-Lite

Classify each of these support messages as billing, bug, or other, one label per line.

Want a sharper prompt? Build one for either model.

Ranking history

Questions

Is Claude Haiku 5.5 or Gemini 3.5 Flash-Lite better for speed & high volume?

Gemini 3.5 Flash-Lite ranks ahead for speed & high volume on Artificial Analysis output speed. Claude Haiku 5.5 is the alternative pick (237); Gemini 3.5 Flash-Lite is the #1 pick (412).

Which is cheaper, Claude Haiku 5.5 or Gemini 3.5 Flash-Lite?

Claude Haiku 5.5: Included on the free plan, with limits. API is $0.10 per million input tokens for prompts under 100K tokens. Gemini 3.5 Flash-Lite: Free API tier with rate limits. Paid API is $0.30 per million input tokens and $2.50 per million output.

Can I use Claude Haiku 5.5 or Gemini 3.5 Flash-Lite for free?

Claude Haiku 5.5: Yes, on the free Claude plan, with usage limits. Gemini 3.5 Flash-Lite: Yes. Free API use can be used to improve Google products. The paid API tier is not.

Which is more private, Claude Haiku 5.5 or Gemini 3.5 Flash-Lite?

Claude Haiku 5.5 (Anthropic): Anthropic says Free, Pro, and Max chats are used for training only if you allow it, and you choose at signup. The toggle has been reported as on by default, so check it. Gemini 3.5 Flash-Lite (Google): Yes for adults. Gemini Apps Activity is on by default, and those chats can be used to improve Google AI.

More comparisons

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