Claude Sonnet 5.5 vs Gemini 4 Argon
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on October 22, 2026· 222 models
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- 1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $2.00
- Output, $ per 1M tokens
- $10.00
- Cache read, $ per 1M
- $0.100
- Batch (input / output)
- $1.00 / $5.00
- Tool calling
- Yes
- Released
- 09/28/2026
- Knowledge cutoff
- 2026-06
- API id
- anthropic/claude-sonnet-5.5
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.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- ▲1 M tokens
- Max output
- ▲944 K
- Input, $ per 1M tokens
- $2.00
- Output, $ per 1M tokens
- $10.00
- Cache read, $ per 1M
- $0.100
- Batch (input / output)
- $1.00 / $5.00
- Tool calling
- Yes
- Released
- ▲10/13/2026
- Knowledge cutoff
- 2026-03
- API id
- google/gemini-4-argon
Which is the better API choice: Claude Sonnet 5.5 vs Gemini 4 Argon?
- Gemini 4 Argon: largest context (1 M)
- Gemini 4 Argon: the newest (10/13/2026)
- Claude Sonnet 5.5: most reasoning (estimated)
- Gemini 4 Argon: the fastest (estimated)
Claude Sonnet 5.5 and Gemini 4 Argon cost the same ($2.00 input, $10.00 output per million tokens). Gemini 4 Argon accepts more context (1 M). On capabilities, only Gemini 4 Argon accepts audio. Claude Sonnet 5.5 and Gemini 4 Argon offer a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
They cost the same at this volume.
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- 4Qwen3.5-9B Qwen$1.72
- 5Ministral 3 3B 2512 Mistral$1.90
- 6Qwen3.5-Flash Qwen$2.02
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2Claude Sonnet 5.5 Anthropic$0.152
- 3Gemini 4 Argon Google$0.152
- 4Claude Sonnet 5 Anthropic$0.152
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.1 Anthropic$0.760
- 8Claude Fable 5 Anthropic$0.760
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Frequently asked questions
Which is the better API choice: Claude Sonnet 5.5 vs Gemini 4 Argon?
Claude Sonnet 5.5 and Gemini 4 Argon cost the same ($2.00 input, $10.00 output per million tokens). Gemini 4 Argon accepts more context (1 M). On capabilities, only Gemini 4 Argon accepts audio. Claude Sonnet 5.5 and Gemini 4 Argon offer a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: Claude Sonnet 5.5 and Gemini 4 Argon?
Claude Sonnet 5.5 and Gemini 4 Argon cost the same: $2.00 per million input tokens and $10.00 output.
Which has more context: Claude Sonnet 5.5 and Gemini 4 Argon?
Gemini 4 Argon accepts 1 M tokens of context; Claude Sonnet 5.5 accepts 1 M.
Which is newer: Claude Sonnet 5.5 and Gemini 4 Argon?
Gemini 4 Argon was released on 10/13/2026; Claude Sonnet 5.5 on 09/28/2026.
What would 10,000 requests a month cost with Claude Sonnet 5.5 and Gemini 4 Argon?
With 1,500 input and 400 output tokens per request: Claude Sonnet 5.5: $70.00; Gemini 4 Argon: $70.00 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.