Claude Haiku 4.5 vs FLUX.2 klein Base 4B FP8

At a Glance

Compare
FLUX.2 klein Base 4B FP8Black Forest Labs
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#43 of 469.0 score · 2/3 sources · provisional · missing LiveBench · full-core range 6.0–39.3UnrankedNot in the 46-model eligible cohort
Pricing and Limits
Input priceFrom · USD / 1M tokens$1.00Anthropic · Sep 3, 2026Not reported
Output priceFrom · USD / 1M tokens$5.00Anthropic · Sep 3, 2026Not reported
Context windowMaximum documented tokens200KNot reported
Model facts checkedAug 28, 2026View model evidence →Aug 28, 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

All benchmark results →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldClaude Haiku 4.5FLUX.2-klein-base-4b-fp8
DeveloperAnthropicBlack Forest Labs
FamilyClaude 4 5Flux 2 Klein Base 4b Fp8
ModelClaude Haiku 4.5FLUX.2-klein-base-4b-fp8
VersionClaude Haiku 4.5FLUX.2-klein-base-4b-fp8
Lifecycleactiveactive
Released2025-10-152026-01-15
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageImage
Output modalitiesTextImage
Context window200KUnknown
Total parametersUnknown4B
Active parametersUnknownUnknown
LicenseUnknownapache-2.0
Open weightsNoYes
API availableYesUnknown
Self-hostableNoYes
Provider accessAnthropic (Standard), Deepinfra (Standard)Unknown
Capabilitieschat, generation, reasoning, toolsgeneration

Claude Haiku 4.5 Capabilities

chatgenerationreasoningtools
Serving providers2
Canonical IDanthropic/claude-haiku-4-5

FLUX.2 klein Base 4B FP8 Capabilities

generation
Serving providers0
Canonical IDblack-forest-labs/FLUX.2-klein-base-4b-fp8

Primary Evidence

Sources and Freshness

Questions

Claude Haiku 4.5 vs FLUX.2 klein Base 4B FP8 FAQs

Is Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Claude Haiku 4.5 and FLUX.2 klein Base 4B FP8, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

Only Claude Haiku 4.5 has a directly sourced input price: $1.00 per million tokens. Only Claude Haiku 4.5 has a directly sourced output price: $5.00 per million tokens.

Which has a larger context window, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

Neither model has a larger sourced context window in this comparison. Claude Haiku 4.5 is 200K and FLUX.2 klein Base 4B FP8 is —.

Which performs better in benchmarks, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8 be self-hosted?+

FLUX.2 klein Base 4B FP8 is the only model in this pair currently marked as self-hostable. Claude Haiku 4.5 is not marked open weight; FLUX.2 klein Base 4B FP8 is open weight.

Can Claude Haiku 4.5 and FLUX.2 klein Base 4B FP8 understand images?+

Claude Haiku 4.5 is documented with image input; FLUX.2 klein Base 4B FP8 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

Neither has a larger sourced maximum output. Claude Haiku 4.5 is 64K and FLUX.2 klein Base 4B FP8 is —.

Do Claude Haiku 4.5 and FLUX.2 klein Base 4B FP8 support reasoning and tool use?+

Claude Haiku 4.5: reasoning, tool calling, and image input. FLUX.2 klein Base 4B FP8: image input. Feature support does not establish relative quality.

Which is available from more inference providers, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

Claude Haiku 4.5 has 2 sourced provider routes; FLUX.2 klein Base 4B FP8 has 0, so Claude Haiku 4.5 has broader tracked availability.

Which offers better value, Claude Haiku 4.5 or FLUX.2 klein Base 4B FP8?+

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.

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