Theme
Language
Text

Claude Sonnet 5.5 API — how to connect and pay

A high-performance model tuned for a broad range of tasks.

Input ($/1M)
0.0534
Output ($/1M)
0.2667
Cache: read / write ($/1M)
0.003209 / 0.0534
Context
1M

Prices in $, updated October 25, 2026.

Performance

Last 7 days: responses / client requests that reached a supplier. Retries of one request count once; input checks, disabled routes, and client cancellations do not lower model quality.

Availability

79.87%

client requests over 7 days

Average latency

14.46 s

to full response

TTFT

13.21 s

to first token

Speed

221 tok/s

generation speed, tok/s (median)

Strengths

  • OpenAI-compatible access
  • Single key for all models

Good for

  • Chat assistants
  • Automation
  • Text processing
  • Product integration

Capabilities

Context
1M tokens
Max output
128K tokens
Input
text, image
Tool calling
supported
JSON mode
supported
Vision
yes
Reasoning
extended thinking — Reasoning tokens are billed at the output rate

Claude Sonnet 5.5: agentic coding and terminal work, 1M context, strong English.

Providers

Comparison of public providers for this model: price, availability, TTFT, speed and cache. No traffic yet — available probes shown, otherwise «—».

Provider
Defaultdefault
claude-sonnet-5.5:claude-code(default, suffix optional)

Minimum charge per request — $0.0000133 (supplier rule): short requests are billed no less than this amount

Input $/1M
0.0534
Output $/1M
0.2667
Context
1M / 128K
Availability
—
TTFT
—
Speed
—
Cache hit
—
Caching
yes

Offers

One line per price level: our input / output price per 1M tokens, the discount off the official list price, and how many connected merchant subscription accounts are offering there.

:antigravity
antigravity
Typical price you actually pay: $0.1405 / $0.7024 per 1M tokens

Based on 196 paid requests, last 24 hours

$1.4 / $730% off· 1 account· 0% filled

Showing the levels the market publishes. At peak a request can fill higher, up to $1.43 / $7.14 per 1M tokens (input / output).

official $2 / $10
:claude-code
claude-code
Typical price you actually pay: $0.3457 / $1.73 per 1M tokens

Based on 372 paid requests, last 24 hours

$0.0534 / $0.266797.3% off· 1 account· <1% filled
$0.1734 / $0.866791.3% off· 1 account· 89% filled
$0.24 / $1.288% off· 10 accounts· <1% filled
$0.3094 / $1.5584.5% off· 1 account· <1% filled
$0.4267 / $2.1378.7% off· 25 accounts· <1% filled
$0.5067 / $2.5374.7% off· 9 accounts· 3% filled
official $2 / $10
:kiro-pool
kiro-pool
$1.14 / $5.743% off· 2 accounts
$1.43 / $7.1428.6% off· 3 accounts
official $2 / $10
market only
clinepass

No offers right now

Key facts

The live catalog contains 74 text models.

Claude Sonnet 5.5: 0.0534 $ input and 0.2667 $ output per 1M tokens.

FAQ about the Claude Sonnet 5.5 API

How much does Claude Sonnet 5.5 cost?

The price of Claude Sonnet 5.5: $0.0534 per 1M input · $0.2667 per 1M output tokens. Pay only for the tokens you use — no subscriptions or flat fees.

Is it compatible with the OpenAI SDK?

Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.

Connect Claude Sonnet 5.5 right now

Sign up in a minute, pay per use, ready-made code above.

Get API key