ANTHROPIC CLAUDE / TEXT
Claude Sonnet 5.5 API pricing
From $0.40 in / $2.00 out per 1M tokens on Route 2 · main ID $0.49 in / $2.45 out
Claude Sonnet 5.5 costs $0.49 per 1M input tokens and $2.45 per 1M output tokens (cached input $0.03). The lowest-priced route, Route 2 (claude-sonnet-5-5-2), costs $0.40 in / $2.00 out. Call it with model ID claude-sonnet-5-5 at https://api.outrun.to/v1 using one prepaid Outrun key. Prices as of October 30, 2026.
USD / 1M TOKENS
How much does Claude Sonnet 5.5 cost per 1M tokens?
Main ID · Standard
| Token type | List price | Outrun | Below list |
|---|---|---|---|
| Input | $0.49 | 75% | |
| Cached input | $0.03 | ||
| Cache write | $0.62 | ||
| Cache write · 1 hour | $0.98 | ||
| Output | $2.45 | 75% |
Route 2 · Standard
| Token type | List price | Outrun | Below list |
|---|---|---|---|
| Input | $0.40 | 80% | |
| Cached input | $0.02 | ||
| Cache write | $0.50 | ||
| Cache write · 1 hour | $0.80 | ||
| Output | $2.00 | 80% |
Billed prices, rounded up to the cent. Prices as of October 30, 2026.
Anthropic list price source ↗Which Claude Sonnet 5.5 routes can I use?
Claude Sonnet 5.5 has 2 model IDs. Each route is its own ID with its own prices and setup; your key, base URL and request format stay the same. The lowest-priced route is Route 2 (claude-sonnet-5-5-2). The table shows each route's price and setup values.
| Model ID | Input | Output | Cached input | Setup |
|---|---|---|---|---|
Main IDclaude-sonnet-5-5 | $0.49 | $2.45 | $0.03 | Tools: Yes · Streaming: Yes · Reasoning: Yes · Structured output: Yes · Image input: Yes · Context: 1,000,000 · Max output: 128,000 |
Route 2 of Claude Sonnet 5.5: claude-sonnet-5-5-2Route 2 | $0.40 | $2.00 | $0.02 | Tools: Yes · Streaming: Yes · Reasoning: Yes · Structured output: Yes · Image input: Yes · Context: 1,000,000 · Max output: 128,000 |
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Input
- Text + images
What is Claude Sonnet 5.5?
Claude Sonnet 5.5 is a text model in the Outrun catalog. Its developer describes it for general-purpose work balancing speed and capability. The standard rate is $0.49 in / $2.45 out per 1M tokens. It has 2 route IDs with their own prices; compare them above.
What are the Claude Sonnet 5.5 model details?
| Model detail | Value |
|---|---|
| Developer | Anthropic |
| Kind | Text |
| Developer context | 1,000,000 tokens |
| Developer max output | 128,000 tokens |
| Developer input | Text, Images |
How do I call Claude Sonnet 5.5?
Use your Outrun key and the exact model ID. Requests use prepaid USD credit.
curl https://api.outrun.to/v1/chat/completions \
-H "Authorization: Bearer $OUTRUN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-5-5",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 8192
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.outrun.to/v1",
api_key=os.environ["OUTRUN_API_KEY"],
)
reply = client.chat.completions.create(
model="claude-sonnet-5-5",
messages=[{"role": "user", "content": "Hello!"}],
max_tokens=8192,
)
print(reply.choices[0].message.content)Which tools work with Claude Sonnet 5.5?
Any client that accepts an OpenAI-compatible base URL and a model ID can use claude-sonnet-5-5. Setup guides: Claude Code (Claude models), Cline (OpenAI Compatible), OpenCode, SillyTavern, LiteLLM.
Main ID · claude-sonnet-5-5
Use these setup values for this model ID. Recommended output settings can be lower than the route maximum.
| Set this value | Value |
|---|---|
| API format | OpenAI compatible |
| Base URL | https://api.outrun.to/v1 |
| Model ID | claude-sonnet-5-5 |
| Context window | 1,000,000 |
| Max output setting | 8,192 |
| Temperature | 1 |
| Streaming | Yes |
| Image support | Yes |
| R1 format | No |
| Include max tokens | Yes |
| Reasoning override | No |
| Prompt caching setting | No |
| Capability | Supported |
|---|---|
| Tool calling | Yes |
| Streaming | Yes |
| Reasoning | Yes |
| Structured output | Yes |
| Parallel tools | Yes |
| Image input | Yes |
| Roo Code ready | Yes |
Route 2 · claude-sonnet-5-5-2
Use these setup values for this model ID. Recommended output settings can be lower than the route maximum.
| Set this value | Value |
|---|---|
| API format | OpenAI compatible |
| Base URL | https://api.outrun.to/v1 |
| Model ID | claude-sonnet-5-5-2 |
| Context window | 1,000,000 |
| Max output setting | 8,192 |
| Temperature | 1 |
| Streaming | Yes |
| Image support | Yes |
| R1 format | No |
| Include max tokens | Yes |
| Reasoning override | No |
| Prompt caching setting | No |
| Capability | Supported |
|---|---|
| Tool calling | Yes |
| Streaming | Yes |
| Reasoning | Yes |
| Structured output | Yes |
| Parallel tools | Yes |
| Image input | Yes |
| Roo Code ready | Yes |
How does Claude Sonnet 5.5 compare on cost?
| Model | Input / output | 1,000 chat turns |
|---|---|---|
| Claude Haiku 5.5 | $0.09 / $0.42 | $0.22 |
claude-haiku-5-5-2Route 2 | $0.02 / $0.10 | $0.05 |
| Claude Sonnet 5.5This model | $0.49 / $2.45 | $1.23 |
claude-sonnet-5-5-2Route 2 | $0.40 / $2.00 | $1.00 |
| Claude Sonnet 5 | $1.12 / $5.60 | $2.80 |
claude-sonnet-5-2Route 2 | $0.40 / $2.00 | $1.00 |
| Claude Opus 5.5 | $2.24 / $11.20 | $5.60 |
claude-opus-5-5-2Route 2 | $0.80 / $4.00 | $2.00 |
| Claude Opus 5 | $3.15 / $15.75 | $7.88 |
claude-opus-5-2Route 2 | $1.00 / $5.00 | $2.50 |
| Claude Fable 5 | $5.60 / $28.00 | $14.00 |
claude-fable-5-2Route 2 | $2.00 / $10.00 | $5.00 |
| Claude Fable 5.1 | $6.30 / $31.50 | $15.75 |
claude-fable-5-1-2Route 2 | $2.00 / $10.00 | $5.00 |
Assumes 1,000 input + 300 output tokens per turn, repeated 1,000 times, at standard-tier rates without caching. Input / output shown per 1M tokens, rounded up to the cent.
Common questions about Claude Sonnet 5.5
How much does the Claude Sonnet 5.5 API cost?
Claude Sonnet 5.5 costs $0.49 per 1M input tokens and $2.45 per 1M output tokens (cached input $0.03). The lowest-priced route, Route 2 (claude-sonnet-5-5-2), costs $0.40 in / $2.00 out. Prices as of October 30, 2026.
What model ID and base URL do I use for Claude Sonnet 5.5?
Use the model ID claude-sonnet-5-5 with the base URL https://api.outrun.to/v1 and your Outrun API key. Route IDs: claude-sonnet-5-5-2 (Route 2).
Does Claude Sonnet 5.5 accept images?
Yes. Claude Sonnet 5.5 accepts text and image input.
Does Outrun store my prompts when I use Claude Sonnet 5.5?
Outrun does not store your prompts, images or outputs unless you choose to save them.