Gemini 4 Carbon vs Claude Haiku 5.5

Claude Haiku 5.5 is 20.0x cheaper than Gemini 4 Carbon on our example workload, at list prices.

Side by side

MeasureGemini 4 CarbonClaude Haiku 5.5
ProviderGoogleAnthropic
Input / 1M tokens$2.00 current (through November 30, 2026; $4.00 from December 1, 2026)$0.100
Output / 1M tokens$10.00 current (through November 30, 2026; $20.00 from December 1, 2026)$0.500
Output price ÷ input price5.0x5.0x
Blended / 1M (3:1)$4.00$0.200
Context window1M1M
≈ English words that fit750,000750,000
1,000 calls (2000+500 tok)$9.00$0.450
AA Intelligence Index6036
LMArena Text1526 (high, preliminary)1422 (high)
Blended $ per AA index point$0.067$0.006

List prices from official pages (Google, Anthropic), verified 2026-11-11. Benchmarks from public leaderboards (Artificial Analysis, LMArena), not run by us. Word counts use the rough 0.75 words per token rule for English. "$ per index point" is our own arithmetic (blended price ÷ index score), a rough value-for-money signal, not a benchmark.

What real workloads cost

Four example request shapes, priced at list rates with no caching or batch discounts. Monthly figures assume 100,000 requests.

WorkloadGemini 4 CarbonClaude Haiku 5.5Gap
Support chat reply
a short system prompt, recent chat history and a reply
$0.00900 each
$900.00 / mo
$0.00045 each
$45.00 / mo
20.0x
RAG answer
a question plus about 20K tokens of retrieved documents, and a cited answer
$0.0480 each
$4,800.00 / mo
$0.00240 each
$240.00 / mo
20.0x
10-step agent task
an agent loop of 10 model calls, each re-reading about 8K tokens of context and emitting a 400-token tool call
$0.2000 each
$20,000.00 / mo
$0.0100 each
$1,000.00 / mo
20.0x
Long-report summary
one 200K-token document summarized into about 2K tokens
$0.4200 each
$42,000.00 / mo
$0.0210 each
$2,100.00 / mo
20.0x

When to pick each

  • Pick Claude Haiku 5.5 when cost is the main constraint: at list prices it is 20.0x cheaper than Gemini 4 Carbon on a typical 2,000-in / 500-out call ($0.4500 vs $9.00 per 1,000 calls).
  • Pick Gemini 4 Carbon when answer quality matters more than price: it scores 60 vs 36 on the Artificial Analysis Intelligence Index, and costs 20.0x more per call.
  • They come from different providers (Google and Anthropic), so switching means a second API key, SDK and billing account, and tool-calling formats differ. Our schema converter outputs both formats from one JSON Schema.

Context and pricing limits

  • Gemini 4 Carbon: 1M tokens of context. Claude Haiku 5.5: 1M. Same size.
  • Gemini 4 Carbon: Standard list price $2/$10 through Nov 30, 2026; $4/$20 from Dec 1, 2026. The prices above are this tier; check the official pricing page before committing.
  • Claude Haiku 5.5: Prompts up to 100K tokens; $0.50/$2.50 above. The prices above are this tier; check the official pricing page before committing.
  • Cached input, batch and off-peak discounts can cut real bills a lot and differ by provider; they are not included here.

FAQ

Is Claude Haiku 5.5 cheaper than Gemini 4 Carbon?

Yes, on our 2000-in / 500-out example call it costs $0.00045 vs $0.00900, 20.0x less.

Which has the larger context window?

Neither: both accept 1M tokens.

Which scores higher on benchmarks?

Gemini 4 Carbon scores 60 vs 36 on the Artificial Analysis Intelligence Index. On LMArena Text, Gemini 4 Carbon is 1526 (high, preliminary) and Claude Haiku 5.5 is 1422 (high). Benchmarks are averages; test both on your own prompts.

Run your own numbers in the token cost estimator · Gemini 4 Carbon pricing · Claude Haiku 5.5 pricing · All comparisons