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Official sourcesSpecifications & API prices · checked Oct 9, 2026
MODEL ARENA / SIDE BY SIDE

Claude Haiku 5.5 vs Gemini 3.7 Flash

Official specifications and direct API prices. Your task decides the right fit.

MODEL A
MODEL B
MODEL A
Anthropic

Claude Haiku 5.5

Focused extraction, classification and routing tasks.

activeText outputVerified 2026-10-09
Context tokens1,000,000
Input / 1M$0.10
Output / 1M$0.50

Full specifications & sources

MODEL B
Google

Gemini 3.7 Flash

Earlier Flash generation with multimodal input.

activeText outputVerified 2026-10-09
Input token limit1,048,576
Input / 1M$0.75
Output / 1M$3.75

Full specifications & sources

Key differences

Everyday overview
Specification
SpecificationMODEL AClaude Haiku 5.5MODEL BGemini 3.7 Flash
Shared context window1,000,000Not verified
Input token limitNot verified1,048,576
Maximum output tokens128,00065,536
Accepted inputtext, imagetext, image, audio, video, pdf
Outputtexttext
ReasoningSupportedSupported

Unknown fields are not evidence of equal capabilities. Specifications describe support, not comparative answer quality.

BENCHMARK EVIDENCE

No reliable data available

Comparable results with confirmed reuse permission have not been published here yet.

A published result must include the exact model version, benchmark version, original value and unit, test date, conditions and source. No scores or overall rankings are inferred.

Official API pricing

USD / 1M text tokens · Standard
Token rate / condition
Token rate / conditionMODEL AClaude Haiku 5.5MODEL BGemini 3.7 Flash
Base input / 1M$0.10$0.75
Base output / 1M$0.50$3.75
Cached input read / 1M$0.01$0.075
Higher tier above input tokens100,000No tier documented
Higher-tier input / 1M$0.50Not verified
Higher-tier output / 1M$2.50Not verified
Higher-tier cache read / 1M$0.05Not verified
Price review required afterNo expiry documented2026-12-31
MODEL A · Claude Haiku 5.5

Official pricing source · verified 2026-10-09

Text tokens only. Output includes thinking tokens. Cache reads are a subset of input. Cache creation, tools and media fees are excluded.

MODEL B · Gemini 3.7 Flash

Official pricing source · verified 2026-10-09

Paid-tier Standard text pricing. Excludes cache storage/creation, tools, audio/video/image tokens, taxes and other processing tiers. Output includes thinking tokens.

Promotional rates end December 31, 2026. Re-verification required before using subsequent rates.

KNOW YOUR API COST

A small prompt. A clearer budget.

Same token counts for both models. Standard paid text rates in USD. Output must include all billable reasoning tokens.

Cached input is included in total input. No cache creation/storage, tools, media, taxes or regional/priority/Batch fees. Tokenizers differ; equal token counts do not imply equal text length.

OFFICIAL API COST ESTIMATEUSD
MODEL AClaude Haiku 5.5
$0.350000

Base tier · Official rates · verified 2026-10-09

MODEL BGemini 3.7 Flash
$2.625000

Base tier · Official rates · verified 2026-10-09

Total API cost$2.975000
3 estimated credits / comparison3,000 credits across 1,000 comparisons.Reference estimate only. Playground uses verified OpenRouter charges; 1,000 credits = $1. A + B round up together once for each comparison.

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