API Need50% off
Uptime
Total Context
1M
Max Output
128K
Input
$2.5/ 1M
Output
$12.5/ 1M
Cache Read
$0.25/ 1M
Cache Write
$3.125/ 1M
AAnthropic: Claude Opus 5 API
claude-opus-5
Claude Opus 5 API is Anthropic’s newest premium model in this catalog, supporting text, image, and file input across 1M tokens. Its high-effort run reaches #4, while standard mode favors much shorter completion time. [1]
The highlighted xhigh row records a 71.88 median, 78.38 best score, and 426-second measured time. The standard row ranks #21 at 154 seconds, showing the cost and latency impact of reasoning depth. [1][2]
MODALITIES
Price$2.5 / $12.5 / 1MCONTEXT1M
Playground
Test Claude Opus 5 API with representative production prompts before using claude-opus-5 in a live workflow.
Providers
OpenRouter lists Claude Opus 5 API with text, image, and file input, text output, and a 1M context window. APINEED routing and prepaid rates are identified separately. [1]
Discount
Claude Opus 5 shares official token rates with Claude Opus 4.6–4.8 here. APINEED halves both rates, so reasoning mode and generated token count become the meaningful cost variables. The table compares official Claude Opus 5 API pricing with the APINEED prepaid rate.
Official
Provider baselineInput $5/ 1MOutput $25/ 1M
BaselineAPINEED50% off
Prepaid creditsInput $2.5/ 1MOutput $12.5/ 1M
Availability
APINEED continuously monitors Claude Opus 5 API access and keeps requests on healthy capacity.
System statusLast 90 days
Claude Opus 5 API Benchmarks
Claude Opus 5’s xhigh row is #4, directly behind GPT-5.6 Sol and ahead of Claude Opus 4.8. Its standard row is separately listed at #21 rather than blended into one headline. The complete LLM2014 logic 2026-07 table remains below, with Claude Opus 5 API highlighted when a current row exists. [2]
| 1st | GPT-5.5 (xhigh) | 83.80 | 77.46 | 7.57% | 494s | 30,811 | $25.51 | $29.57 |
| 2nd | Kimi-K3 (max) | 82.91 | 74.80 | 9.78% | 1095s | 39,912 | $16.76 | $15.00 |
| 3rd | Claude Opus 4.8 (xhigh) | 82.62 | 66.70 | 19.27% | 791s | 41,833 | $28.86 | $24.64 |
| 4th | GPT-5.6 Sol (xhigh) | 81.94 | 72.99 | 10.92% | 369s | 17,433 | $14.43 | $29.57 |
| 5th | Claude Opus 5 (xhigh) | 78.38 | 71.88 | 8.29% | 426s | 26,392 | $18.21 | $24.64 |
| 6th | Qwen3.7-Max (xhigh) | 74.56 | 66.95 | 10.21% | 374s | 54,207 | $7.81 | $5.14 |
| 7th | GLM-5.2 (max) | 73.68 | 58.27 | 20.91% | 890s | 45,683 | $5.12 | $4.00 |
| 8th | Gemini 3.1 Pro (high) | 73.36 | 58.46 | 20.31% | 214s | 25,905 | $8.58 | $11.83 |
| 9th | GPT-5.6 Luna (xhigh) | 69.49 | 51.97 | 25.21% | 242s | 38,083 | $6.31 | $5.91 |
| 10th | DeepSeek V4 Pro (max) | 68.00 | 49.97 | 26.51% | 1468s | 60,558 | $1.45 | $0.86 |
| 11th | Grok 4.5 (high) | 67.59 | 56.72 | 16.08% | 451s | 43,372 | $7.18 | $5.91 |
| 12th | Muse Spark 1.1 | 66.18 | 57.23 | 13.52% | 542s | 42,416 | $4.98 | $4.19 |
| 13th | Gemini 3.5 Flash (high) | 65.92 | 60.39 | 8.39% | 188s | 36,372 | $9.03 | $8.87 |
| 14th | Doubao-Seed-2.1-pro (high) | 58.69 | 49.35 | 15.91% | 2003s | 85,059 | $10.21 | $4.29 |
| 15th | Qwen3.7-Plus (high) | 58.50 | 44.09 | 24.63% | 1237s | 57,152 | $1.83 | $1.14 |
| 16th | Gemini 3.6 Flash (high) | 56.87 | 41.74 | 26.6% | 206s | 26,329 | $5.45 | $7.39 |
| 17th | Tencent Hy3 (high) | 54.42 | 44.60 | 18.04% | 1035s | 52,037 | $0.83 | $0.57 |
| 18th | Claude Sonnet 5 (xhigh) | 51.37 | 43.14 | 16.02% | 529s | 44,118 | $12.18 | $9.86 |
| 19th | DeepSeek V4 Flash (max) | 50.62 | 36.24 | 28.41% | 611s | 49,593 | $0.40 | $0.29 |
| 20th | MiniMax-M3 | 49.18 | 40.94 | 16.75% | 985s | 56,467 | $1.90 | $1.20 |
| 21st | Claude Opus 5 | 42.08 | 31.73 | 24.6% | 154s | 10,180 | $7.02 | $24.64 |
| 22nd | Claude Opus 4.6 | 36.88 | 25.79 | 30.07% | 65s | 4,387 | $3.03 | $24.64 |
| 23rd | Doubao-Seed-2.0-lite 0428 (high) | 35.32 | 26.77 | 24.21% | 656s | 26,726 | $0.38 | $0.51 |
| 24th | Gemini 3.5 Flash (minimal) | 33.24 | 22.22 | 33.15% | 44s | 6,189 | $1.54 | $8.87 |
| 25th | Ling-3.0-flash | 32.53 | 20.62 | 36.61% | 688s | 86,204 | $0.00 | $0.00 |
| 26th | Gemini 3.5 Flash Lite (high) | 30.23 | 22.82 | 24.51% | 188s | 18,297 | $1.26 | $2.46 |
| 27th | GPT-5.5 Instant | 28.87 | 17.66 | 38.83% | 25s | 1,673 | $1.39 | $29.57 |
| 28th | Gemma 4 31B | 27.91 | 22.04 | 21.03% | 770s | 15,050 | $0.17 | $0.39 |
| 29th | MiMo-V2.5-Pro | 26.91 | 13.00 | 51.69% | 478s | 29,443 | $0.71 | $0.86 |
| 30th | Qwen3.7-Plus | 26.19 | 16.23 | 38.03% | 314s | 8,692 | $0.28 | $1.14 |
| 31st | Step-3.7-Flash | 26.18 | 13.74 | 47.52% | 258s | 44,912 | $1.46 | $1.16 |
| 32nd | Qwen3.5-27B | 24.96 | 17.98 | 27.96% | 451s | 26,391 | $0.51 | $0.69 |
| 33rd | Gemini 3.1 Flash Lite (high) | 23.78 | 14.30 | 39.87% | 82s | 28,351 | $1.17 | $1.48 |
| 34th | Claude Sonnet 5 | 23.64 | 10.86 | 54.06% | 109s | 5,962 | $1.65 | $9.86 |
| 35th | Qwen3.7-Max | 22.45 | 18.53 | 17.46% | 196s | 6,710 | $0.97 | $5.14 |
| 36th | ERNIE 5.1 | 20.49 | 15.49 | 24.4% | 457s | 24,093 | $1.73 | $2.57 |
| 37th | openPangu-2.0-Flash | 19.83 | 10.76 | 45.74% | 571s | 28,199 | $0.18 | $0.23 |
| 38th | LongCat-2.0 | 19.40 | 9.74 | 49.79% | 395s | 14,886 | $0.48 | $1.14 |
| 39th | DeepSeek V4 Flash | 19.39 | 13.37 | 31.05% | 63s | 5,286 | $0.04 | $0.29 |
| 40th | Mistral Medium 3.5 | 18.44 | 13.87 | 24.78% | 194s | 27,854 | $5.77 | $7.39 |
| 41st | Doubao-Seed-2.1-pro | 17.49 | 9.74 | 44.31% | 305s | 6,009 | $0.72 | $4.29 |
| 42nd | GLM-5.2 | 14.80 | 10.43 | 29.53% | 23s | 953 | $0.11 | $4.00 |
| 43rd | Ling-2.6-1T | 13.05 | 8.39 | 35.71% | 229s | 4,770 | $0.31 | $2.29 |
| 44th | iFLYTEK Spark X2 | 12.39 | 6.21 | 49.88% | 458s | 11,285 | $0.09 | $0.29 |
| 45th | Gemini 3.1 Flash Lite | 11.79 | 10.28 | 12.81% | 9s | 773 | $0.03 | $1.48 |
| 46th | Mistral Medium 3.5 | 10.83 | 7.13 | 34.16% | 17s | 2,546 | $0.53 | $7.39 |
| 47th | Ling-2.6-flash | 10.07 | 4.85 | 51.84% | 25s | 4,997 | $0.04 | $0.30 |
Quick Start
Connect Claude Opus 5 API without changing the OpenAI-style request shape. Use high effort for difficult planning, coding, and evidence synthesis; use standard mode when response time matters. Tool and structured-output controls support production agent orchestration.
Get your API key
Create an APINEED key for Claude Opus 5 API and keep it in an environment variable.
export API_NEED_API_KEY=sk-apineed-v1-...Make your first request
Use claude-opus-5 for Claude Opus 5 API with the APINEED API. The request shape is compatible with OpenAI chat completions, so most SDKs only need a base URL change.
TypeScript SDKPythoncURLOpenAI SDK
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_NEED_API_KEY,
baseURL: "https://apineed.com/v1"
});
const result = await client.chat.completions.create({
model: "claude-opus-5",
messages: [
{ role: "user", content: "Why is the sky blue?" }
]
});
console.log(result.choices[0].message.content);Enable streaming and fallbacks
Add stream: true when Claude Opus 5 API should return server-sent events. APINEED keeps routing, provider health, and fallback handling behind the same endpoint.
curl https://apineed.com/v1/chat/completions \
-H "Authorization: Bearer $API_NEED_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-opus-5",
"stream": true,
"messages": [{ "role": "user", "content": "Hello" }]
}'Claude Opus 5 API Endpoint
Claude Opus 5 API accepts chat conversations here with streaming or non-streaming text output; the supported controls are listed on this page.
POST
/v1/chat/completions- Authorization
- Bearer $API_NEED_API_KEY
- Content-Type
- application/json
- HTTP-Referer
- optional - your site URL, for rankings
- X-Title
- optional - your site name, for rankings
- Model
- claude-opus-5
Parameters
Claude Opus 5 API parameters currently listed for claude-opus-5 by the OpenRouter Models API. [1]
| Name | Type | Status | Description |
|---|---|---|---|
include_reasoning | boolean | Supported | Includes reasoning content in the response when available. |
max_completion_tokens | integer | Supported | Limits the combined visible and reasoning output tokens. |
max_tokens | integer | Supported | Limits generated output tokens. |
reasoning | object | Supported | Controls reasoning behavior and token allocation. |
reasoning_effort | enum | Supported | Selects the model reasoning effort. |
response_format | object | Supported | Requests a specific response format. |
stop | string or array | Supported | Stops generation at the supplied sequence. |
structured_outputs | boolean | Supported | Enables schema-constrained structured output. |
temperature | number | Supported | Controls sampling randomness. |
tool_choice | string or object | Supported | Controls which tool the model may call. |
tools | array | Supported | Defines tools available to the model. |
verbosity | enum | Supported | Controls response detail for models that expose verbosity. |
Claude Opus 5 API Q&A
Model-specific answers for teams comparing Claude Opus 5 API on capability, benchmark evidence, integration, and cost.
Which Claude Opus 5 API benchmark result is highlighted?
The page highlights the xhigh row at #4 with a 71.88 median; the standard row remains visible at #21.
How should I select Claude Opus 5 API reasoning effort?
Reserve higher effort for tasks where better logic is worth more latency and tokens, and use standard mode for faster interactive requests.
Is Claude Opus 5 API priced above Claude Opus 4.8?
See the live pricing table above for the current API Need input and output prices for claude-opus-5.
What can Claude Opus 5 receive in one prompt?
For Claude Opus 5 API, it supports text, image, and file input with text output and a 1M context window.
Which endpoint serves Claude Opus 5 API?
Call Claude Opus 5 API through https://apineed.com/v1/chat/completions with claude-opus-5 as the model value. Existing OpenAI SDK clients usually need only the APINEED base URL and key.
How do I validate Claude Opus 5 API before release?
Evaluate Claude Opus 5 API on representative prompts, record quality, latency, and token use, then choose reasoning settings and fallbacks from those results.
How to Deploy the Claude Opus 5 API on apineed.com
Deploy Claude Opus 5 API through APINEED after validating its model-specific trade-offs above. The API key, credit, and endpoint flow stays consistent across the catalog.
Add credits for Claude Opus 5 API
Add credits on APINEED before deploying the Claude Opus 5 API. Pay-as-you-go billing lets usage start small and scale with production traffic.
Get your API key
Create an APINEED API key for the Claude Opus 5 API. The same key can call Claude Opus 5 and other AI APIs through apineed.com.
Set the model slug
Use claude-opus-5 as the model value when you deploy the Claude Opus 5 API. Keep the APINEED base URL at https://apineed.com/v1.
Send a request to Claude Opus 5 API
Send chat completions or responses to the Claude Opus 5 API from Claude Code, Codex, or any custom agent. The request keeps its OpenAI-compatible shape.