claude-opus-4.6-fast

github_copilot · Chat model

claude-opus-4.6-fast is listed here as a chat model from github_copilot. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.

Provider and model identifiers are kept in their original form for accuracy.

github_copilot-github_copilot-claude-opus-4-6-fast

Input

N/A

Output

N/A

Cached input

N/A

Context window

16.0K

Catalog generated: Jul 13, 2026

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Quick read

Best for

Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.

Things to verify

Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.

Pricing

No matching data

Limits

Context window

16.0K

Max input tokens

128.0K

Max output tokens

16.0K

Max tokens

16.0K

Explore benchmark family Review source-backed benchmark rows for the attached base model family. Check data sources See how pricing data is generated and what still needs provider verification. API vs subscription Learn when API pricing matters compared with ChatGPT, Claude Code, Cursor, or Copilot subscriptions. Cache and batch pricing Understand cached input, cache write, batch, priority, and flex pricing rows shown on this page.

Capabilities

Capability	Supported
Vision	Supported
Function calling	Supported
Parallel function calling	Supported
Tool choice	-
Prompt caching	-
Reasoning	-
Response schema	-
System messages	-
Audio input	-
Audio output	-
Web search	-
PDF input	-
Video input	-

Benchmarks

Most benchmark rows are attached to the base model family rather than this provider route. Open benchmark explorer

Benchmark	Score	Metric	Scope	Checked	Source
SWE-bench Verified	72.5%	score	Base model: Claude Opus 4 (Claude Opus 4)	2026-05-31	Link
Terminal-Bench	43.2%	score	Base model: Claude Opus 4 (Claude Opus 4)	2026-05-31	Link
GPQA Diamond	74.9%	score	Base model: Claude Opus 4 (Claude Opus 4)	2026-05-31	Link
MMMLU	87.4%	score	Base model: Claude Opus 4 (Claude Opus 4)	2026-05-31	Link
MMMU	73.7%	score	Base model: Claude Opus 4 (Claude Opus 4)	2026-05-31	Link
LiveBench	76.33	LiveBench score	Base model: Claude 4.6 Opus (Claude 4.6 Opus Thinking High Effort)	2026-05-31	Link
LMArena Text Arena (English)	1516±6	Arena Elo	Base model: Claude Opus 4.6 (claude-opus-4-6-thinking)	2026-05-31	Link
LMArena Text Arena (English)	1508±5	Arena Elo	Base model: Claude Opus 4.6 (claude-opus-4-6)	2026-05-31	Link

Sources

Source links	LiteLLM repository LiteLLM model cost map
Pricing data	LiteLLM model cost map
Synced at	2026-05-28
Catalog generated	2026-07-13T14:21:55.110Z