API cost decision in 10 seconds

🔥Claude Opus 5.5 vs NewGemini 4 Argon

Pick Gemini 4 Argon when budget and context both matter.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Gemini 4 Argon when budget and context both matter.

On the standard 1M input plus 500K output workload, Gemini 4 Argon is estimated at $7 vs $14 for Claude Opus 5.5, saving $7 (50% lower).

Cost-first pickGemini 4 Argon
Context-first pickGemini 4 Argon
Sample savings$750%
10x traffic gap$70

Gemini 4 Argon is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $70. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Gemini 4 Argon stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickClaude Opus 5.5Gemini 4 Argon
Input-heavy / RAG5M input + 500K outputGemini 4 Argon$30$15
Balanced workload1M input + 1M outputGemini 4 Argon$24$12
Output-heavy chatbot1M input + 5M outputGemini 4 Argon$104$52
Cheaper input Gemini 4 Argon $4 vs $2 / 1M

Gemini 4 Argon is $2 cheaper per 1M input tokens (50% lower; 2x difference).

Cheaper output Gemini 4 Argon $20 vs $10 / 1M

Gemini 4 Argon is $10 cheaper per 1M output tokens (50% lower; 2x difference).

Larger context Gemini 4 Argon 1M vs 1.05M

Gemini 4 Argon has 48.58K more context (1.05x larger).

Sample workload Gemini 4 Argon $14 vs $7

Gemini 4 Argon is $7 cheaper on the standard workload (50% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Claude Opus 5.5 Calculating… Estimated API cost
Gemini 4 Argon Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Gemini 4 Argon has the lower input price; Gemini 4 Argon has the lower output price; Gemini 4 Argon offers the larger context window. For the 1M input plus 500K output sample, Gemini 4 Argon is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $14 for Claude Opus 5.5 and $7 for Gemini 4 Argon.

Best Fit

Choose Claude Opus 5.5 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Choose Gemini 4 Argon when you care most about lower input-token price, lower output-token price, and larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Gemini 4 Argon is estimated at $7 vs $14 for Claude Opus 5.5, saving $7 (50% lower).
  • Gemini 4 Argon is $7 cheaper on the standard workload (50% lower).
  • Gemini 4 Argon is $2 cheaper per 1M input tokens (50% lower; 2x difference).
  • Gemini 4 Argon is $10 cheaper per 1M output tokens (50% lower; 2x difference).
  • Gemini 4 Argon has 48.58K more context (1.05x larger).
Head-to-Head Specs
Feature🔥Claude Opus 5.5
(Anthropic)
NewGemini 4 Argon
(Google)
Input Price
prompt tokens per 1M
$4$2
Completion Price
per 1M tokens
$20$10
Sample Workload Cost
1M input + 500K output
$14$7
Context Window1M1.05M
Release Date
Popularity#8

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGemini 4 ArgonOn the standard 1M input plus 500K output workload, Gemini 4 Argon is estimated at $7 vs $14 for Claude Opus 5.5, saving $7 (50% lower).
High-volume input processingGemini 4 ArgonLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGemini 4 ArgonLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGemini 4 ArgonA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Claude Haiku 5.5 (batch) can replace Claude Opus 5.5 when lower sample workload cost matters most: $0.17.
  • Claude Haiku 5.5 can replace Claude Opus 5.5 when lower sample workload cost matters most: $0.35.
  • Claude Haiku Latest can replace Claude Opus 5.5 when lower sample workload cost matters most: $0.35.
  • Claude 3 Haiku can replace Claude Opus 5.5 when lower sample workload cost matters most: $0.88.
Larger context near this budget

Cheaper alternatives

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

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Google catalog

Check other Google models with comparable pricing, context, or release timing.

Open Google models
Claude Opus 5.5

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...

Gemini 4 Argon

Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across...