Claude Sonnet 5.5 vs Gemini 2.5 Pro Preview 06-05
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on September 30, 2026· 217 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
- $0.200
- 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 2.5 Pro is Google’s state-of-the-art AI model designed for advanced reasoning, coding, mathematics, and scientific tasks.
- Reasoning estimated
- ▲
- Speed estimated
- ▲
- Input
- Output
- Context
- ▲1 M tokens
- Max output
- 66 K
- Input, $ per 1M tokens
- ▲$1.25
- Output, $ per 1M tokens
- $10.00
- Cache read, $ per 1M
- $0.125
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 06/05/2025
- Knowledge cutoff
- —
- API id
- google/gemini-2.5-pro-preview
Which is the better API choice: Claude Sonnet 5.5 vs Gemini 2.5 Pro Preview 06-05?
- Gemini 2.5 Pro Preview 06-05: cheapest input (38% less than Claude Sonnet 5.5)
- Gemini 2.5 Pro Preview 06-05: largest context (1 M)
- Claude Sonnet 5.5: the newest (09/28/2026)
- Gemini 2.5 Pro Preview 06-05: most reasoning (estimated)
- Gemini 2.5 Pro Preview 06-05: the fastest (estimated)
Pricing is split: Gemini 2.5 Pro Preview 06-05 wins on input and Claude Sonnet 5.5 wins on output. Gemini 2.5 Pro Preview 06-05 accepts more context (1 M). On capabilities, only Gemini 2.5 Pro Preview 06-05 accepts audio. Claude Sonnet 5.5 offers 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.
With Gemini 2.5 Pro Preview 06-05 you save $11.25 a month versus Claude Sonnet 5.5 (16% less).
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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)
- 1Gemini 2.5 Pro Preview 06-05 Google$0.095
- 2Claude Sonnet 5.5 Anthropic$0.152
- 3Claude Sonnet 5 Anthropic$0.152
- 4Claude Opus 5.5 Anthropic$0.304
- 5Claude Opus 5 Anthropic$0.380
- 6Claude Opus 4.8 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 2.5 Pro Preview 06-05?
Pricing is split: Gemini 2.5 Pro Preview 06-05 wins on input and Claude Sonnet 5.5 wins on output. Gemini 2.5 Pro Preview 06-05 accepts more context (1 M). On capabilities, only Gemini 2.5 Pro Preview 06-05 accepts audio. Claude Sonnet 5.5 offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: Claude Sonnet 5.5 and Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05 is cheaper: $1.25 per million input tokens and $10.00 per million output tokens, versus $2.00 / $10.00 for Claude Sonnet 5.5.
Which has more context: Claude Sonnet 5.5 and Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05 accepts 1 M tokens of context; Claude Sonnet 5.5 accepts 1 M.
Which is newer: Claude Sonnet 5.5 and Gemini 2.5 Pro Preview 06-05?
Claude Sonnet 5.5 was released on 09/28/2026; Gemini 2.5 Pro Preview 06-05 on 06/05/2025.
What would 10,000 requests a month cost with Claude Sonnet 5.5 and Gemini 2.5 Pro Preview 06-05?
With 1,500 input and 400 output tokens per request: Claude Sonnet 5.5: $70.00; Gemini 2.5 Pro Preview 06-05: $58.75 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.