LLM·Dex

Claude 3.5 Haiku vs Gemini 3 Flash

A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.

Verdict by category
  • PriceClaude 3.5 Haiku

    Claude 3.5 Haiku publishes pricing ($4.00 / 1M output tokens) while Gemini 3 Flash does not.

  • Context windowGemini 3 Flash

    Gemini 3 Flash accepts 1.0M tokens vs 200K, 5.2× the room for long documents and codebases.

  • BenchmarksTie

    No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.

  • ModalitiesGemini 3 Flash

    Gemini 3 Flash supports 4 modalities (text, vision, audio, video) vs 2 for Claude 3.5 Haiku.

  • OpennessTie

    Both are closed-weight, API-only.

On balance Gemini 3 Flash edges ahead, winning 2 of 5 categories against Claude 3.5 Haiku's 1. Claude 3.5 Haiku publishes pricing ($4.00 / 1M output tokens) while Gemini 3 Flash does not. Gemini 3 Flash accepts 1.0M tokens vs 200K, 5.2× the room for long documents and codebases.

No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude 3.5 Haiku handles text, vision while Gemini 3 Flash handles text, vision, audio, video, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.

Gemini 3 Flash is the newer of the two, released 13 months after Claude 3.5 Haiku, which usually means a more recent knowledge cutoff and updated safety post-training. Claude 3.5 Haiku is usually picked for customer support and code completion workloads, while Gemini 3 Flash sees more deployments in rag and summarization. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecClaude 3.5 HaikuGemini 3 Flash
ProviderAnthropicGoogle
ReleasedNov 2024Dec 2025
Modalitiestext, visiontext, vision, audio, video
Context window200K tokens1.0M tokens
Max output,65.5K tokens
Input · 1M$0.80 / 1M tokensPricing not published
Output · 1M$4.00 / 1M tokensPricing not published
Knowledge cutoff,2025-01
Open weightsNoNo
API availableYesYes

Pricing at scale

What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.

  • Light usage, 100k in / 50k out per day$8.40 vs ,
  • Heavy usage, 1M in / 500k out per day$84.00 vs ,
  • RAG workload, 5M in / 200k out per day$144 vs ,

Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).

Price calculator

Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.

  • Claude 3.5 Haiku$0.280
  • Gemini 3 FlashPricing unavailable

Benchmarks compared

Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.

Benchmark scores not yet available. We only publish numbers we can source from official model cards or independent leaderboards, see methodology.
Pick Claude 3.5 Haiku if

Claude 3.5 Haiku fits when…

  • Fast
  • Cheap for Anthropic
  • Strong code at small size
Pick Gemini 3 Flash if

Gemini 3 Flash fits when…

  • 1M-token context at mid-tier price
  • Very fast, good for interactive UX
  • Strong vision support
  • Long-context tasks, handles 1.0M tokens vs 200K for Claude 3.5 Haiku.
  • Multimodal needs covering audio, video.
Don't want either?

Consider Claude Opus 4.7

Anthropic's mid-2026 flagship, ahead on SWE-bench, agent reliability, and writing quality.

Frequently asked

  • Is Claude 3.5 Haiku or Gemini 3 Flash cheaper?
    Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.
  • Which has the larger context window?
    Gemini 3 Flash accepts 1.0M tokens vs 200K for Claude 3.5 Haiku.
  • Is Claude 3.5 Haiku or Gemini 3 Flash better for coding?
    Both Claude 3.5 Haiku and Gemini 3 Flash are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.
  • Are either of these models open source?
    Neither model ships open weights, both are accessible only via their respective providers' APIs.
  • When were Claude 3.5 Haiku and Gemini 3 Flash released?
    Claude 3.5 Haiku was released by Anthropic on 2024-11-04. Gemini 3 Flash was released by Google on 2025-12-09.
Friday digest

The week's AI launches, in your inbox.

One short email every Friday, new models, leaks, and quietly-shipped APIs you missed.