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Model comparison · Updated 1 Sep 2026

Claude Sonnet 5 vs Gemini 2.5 Pro Preview 06-05

Gemini 2.5 Pro Preview 06-05 is about 1.6× cheaper on input ($1.25 against $2.00 per 1M tokens). Gemini 2.5 Pro Preview 06-05 has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $1,800 a month for Claude Sonnet 5 and $1,463 for Gemini 2.5 Pro Preview 06-05.

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ModelsAtlas. “Claude Sonnet 5 vs Gemini 2.5 Pro Preview 06-05”. Retrieved 1 Sep 2026. https://modelsatlas.com/compare/anthropic/claude-sonnet-5/vs/google/gemini-2-5-pro-preview

Model A

Claude Sonnet 5

by Anthropic · weights not marked open · GRIDE5

Input / 1M
$2.00
asserted Vendor states
Source
docs.anthropic.com/en/docs/about-claude/pricing
Retrieved
17 Aug 2026
Output / 1M$10.00
Context1M
vs

Model B

Gemini 2.5 Pro Preview 06-05

by Google · weights not marked open · GRIDE5

Input / 1M
$1.25
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$10.00
Context1.05M

Key numbers

Standard tier · highlighted = better

Claude Sonnet 5
Gemini 2.5 Pro Preview 06-05
Input / 1M tokens
$2.00
$1.25
Output / 1M tokens
$10.00
$10.00
Batch input / output
$1.00 / $5.00
Not listed
Context window
1,000,000
1,048,576
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
batch, standard
standard
Prices checked
2026-08-17
2026-09-01

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$1,800/mo
$1,463/mo
RAG over documents2k queries/day · 12k in, 500 out
$1,740/mo
$1,200/mo
Coding agent300 tasks/day · 60k in, 8k out
$1,800/mo
$1,395/mo

Claude Sonnet 5   Gemini 2.5 Pro Preview 06-05 · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. Claude Sonnet 5 and Gemini 2.5 Pro Preview 06-05 share E5.

Same square as Claude Sonnet 5: Grok 4.3 ($1.25), Muse Spark 1.1 ($1.25), Muse Spark 1.2 ($1.25). Open E5

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueClaude Sonnet 5.5 · E5Gemini 3.1 Pro Preview · E5Gemini 3.1 Pro Preview Custom Tools · E5GPT-4.1 · E5Qwen3.8 2.4T A95B · E5Gemini 3.5 Flash · E5Muse Spark 1.1 · E5Muse Spark 1.2 · E5Muse Spark 1.3 · E5Grok 4.3 · E5Claude Sonnet 5Claude Sonnet 5Gemini 2.5 Pro Preview 06-05Gemini 2.5 Pro Preview 06-05
Claude Sonnet 5Gemini 2.5 Pro Preview 06-05Nearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDE5$1–31MClaude Sonnet 5, Gemini 2.5 Pro Preview 06-05, Claude Sonnet 5.5, Gemini 3.1 Pro Preview, Gemini 3.1 Pro Preview Custom Tools, GPT-4.1, Qwen3.8 2.4T A95B, Gemini 3.5 Flash, Muse Spark 1.1, Muse Spark 1.2, Muse Spark 1.3, Grok 4.3

Capabilities side by side

Only what our records list

Claude Sonnet 5
Gemini 2.5 Pro Preview 06-05
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Supported
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose Claude Sonnet 5 if…

  • work can wait: it lists a batch tier and the other does not

Choose Gemini 2.5 Pro Preview 06-05 if…

  • you pay by the token: it costs $1.25 per 1M input against $2.00
  • your prompts are long: it takes 1,048,576 tokens against 1,000,000

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is Claude Sonnet 5 better than Gemini 2.5 Pro Preview 06-05?
We do not benchmark quality, so we cannot say. On the recorded numbers: Gemini 2.5 Pro Preview 06-05 is about 1.6× cheaper on input ($1.25 against $2.00 per 1M tokens). Gemini 2.5 Pro Preview 06-05 has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $1,800 a month for Claude Sonnet 5 and $1,463 for Gemini 2.5 Pro Preview 06-05. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Claude Sonnet 5 or Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05: $1.25 against $2.00 per 1M input tokens, and $10.00 against $10.00 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Claude Sonnet 5: $2.00 input and $10.00 output. Gemini 2.5 Pro Preview 06-05: $1.25 input and $10.00 output. Standard tier, USD.
Which has the larger context window?
Gemini 2.5 Pro Preview 06-05, with 1,048,576 tokens. Claude Sonnet 5 has 1,000,000 tokens.
Do both offer batch pricing?
Claude Sonnet 5 lists a batch tier, at 50% of its standard price. Gemini 2.5 Pro Preview 06-05 lists no batch tier.
Can both read images or audio?
Input types recorded for Claude Sonnet 5: none recorded. For Gemini 2.5 Pro Preview 06-05: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
Claude Sonnet 5: not marked open-weight in our records. Gemini 2.5 Pro Preview 06-05: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $1,800 a month for Claude Sonnet 5 and $1,463 for Gemini 2.5 Pro Preview 06-05. This is our calculation from the listed prices, not a quote.

About the two models

Claude Sonnet 5

By Anthropic. $2.00 input and $10.00 output per 1M tokens, 1M context, atlas square E5. Tiers listed: batch, standard.

Full specs & pricing →

Gemini 2.5 Pro Preview 06-05

By Google. $1.25 input and $10.00 output per 1M tokens, 1.05M context, atlas square E5. Tiers listed: standard.

Full specs & pricing →

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